US3835809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Damage indicator
Assignee: Individual
•
Filing: 1973-06-21
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Granted: 1974-09-17
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Expires: 1993-06-21
Abstract
Abstract A damage indicating device which has a safety tab keeping it in a ''''loaded'''' condition until it is attached to a container. The device has means urging an indicator to show that the container has been subjected to stress in excess of a predetermined amount, and inertia activated means which releases the indicator.
Inventors
- 👤 H Sinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:24
CPC Classifications
G; G01; G01P; G01P15/00; G01P15/02
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
136 words
A damage indicating device comprising: a generally planar base element, a planar indicator element pivotally mounted upon said base element for rotation between first and second positions, resilient means urging said indicator element to one of said positions, detent means on said base element radially spaced with respect to the axis of rotation of said indicator means, means including a resilient component on said indicator element detachably engaging said detent means, and a ring-shaped mass between said indicator element and said base element surrounding said detent means whereby a combination of inertia of the ring-shaped mass and a predetermined rate of deceleration of the base element serves to shift the mass so that said resilient component is deflected and said detent means is disengaged, and said resilient means shifts said indicator element to said second position.
Claim 2
Dependent Claim
136 words
A damage indicating device comprising: a generally planar base element, a planar indicator element pivotally mounted upon said base element for rotation between first and second positions, resilient means urging said indicator element to one of said positions, detent means on said base element radially spaced with respect to the axis of rotation of said indicator means, means including a resilient component on said indicator element detachably engaging said detent means, and a ring-shaped mass between said indicator element and said base element surrounding said detent means whereby a combination of inertia of the ring-shaped mass and a predetermined rate of deceleration of the base element serves to shift the mass so that said resilient component is deflected and said detent means is disengaged, and said resilient means shifts said indicator element to said second position.
Claim 3
Dependent Claim
17 words
Structure in accordance with claim 1, including limiting means which restricts axial displacement of said indicator element.
Claim 4
Dependent Claim
33 words
Structure in accordance with claim 2, in which the limiting means constitutes a cover for the base element, and is provided with a window portion for viewing the position of said indicator element.
Claim 5
Dependent Claim
25 words
Structure in accordance with claim 1, in which the detent means includes a protuberance on the base element, and a pin projecting from said protuberance.
Claim 6
Dependent Claim
20 words
Structure in accordance with claim 1, including deactivating means which prevents the indicator element from shifting from said first position.
Claim 7
Dependent Claim
44 words
Structure in accordance with claim 1, in which the base element has a protuberance and a fixed pin, and the indicator element includes a bulged portion with a orifice in which said pin is engaged when said indicator element is in said first position.
Claim 8
Dependent Claim
50 words
Structure in accordance with claim 1, including deactivation means which prevents the indicator element from shifting to said second position; the base including an adhesive layer on a bottom surface thereof, a selectively removable backing on said adhesive layer, said deactivating means and said backing being interconnected for concurrent removal.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |