US3141208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking device for pressure ring
Assignee: Individual
•
Filing: 1961-05-19
•
Granted: 1964-07-21
•
Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
- 👤 Stradella Giuseppe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:01
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/02; A61F9/025; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/148
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A SIMPLIFIED LOCKING DEVICE FOR LOCKING A DISCONTINUOUS, TIGHT PRESSURE RING MADE OF PLAIN STRIP MATERIAL, SAID RING HAVING TWO ENDS, COMPRISING: LUGS ON SAID ENDS, SAID LUGS BEING CUT AT RIGHT ANGLES, REDUCING THE WIDTH OF SAID STRIP MATERIAL TO ONE-HALF OF THE ORIGINAL WIDTH THEREOF WITHIN THE AREA OF SAID LUGS, SAID LUGS ON SAID ENDS BEING OPPOSITELY OFFSET MATERIALLY NOT INTERFERING WITH ONE ANOTHER, SAID LUGS ENGAGING THE UNDERSURFACE OF THE CORRESPONDING OPPOSITE ENDS OF SAID RING, AT LEAST ONE RATCHET TOOTH ON EACH ONE OF SAID LUGS, AND HOLES PUNCHED IN THE AREAS BEHIND SAID RIGHT ANGLE CUTS, CORRESPONDING TO SAID RATCHET TOOTH SO THAT SAID RATCHET TEETH MAY SNAP INTO SAID HOLES UPON CLOSING SAID RING, FORMING A CLOSURE OF SAID RING PRESENTING A SMOOTH, PLANE SURFACE.
Claim 2
Dependent Claim
132 words
A SIMPLIFIED LOCKING DEVICE FOR LOCKING A DISCONTINUOUS, TIGHT PRESSURE RING MADE OF PLAIN STRIP MATERIAL, SAID RING HAVING TWO ENDS, COMPRISING: LUGS ON SAID ENDS, SAID LUGS BEING CUT AT RIGHT ANGLES, REDUCING THE WIDTH OF SAID STRIP MATERIAL TO ONE-HALF OF THE ORIGINAL WIDTH THEREOF WITHIN THE AREA OF SAID LUGS, SAID LUGS ON SAID ENDS BEING OPPOSITELY OFFSET MATERIALLY NOT INTERFERING WITH ONE ANOTHER, SAID LUGS ENGAGING THE UNDERSURFACE OF THE CORRESPONDING OPPOSITE ENDS OF SAID RING, AT LEAST ONE RATCHET TOOTH ON EACH ONE OF SAID LUGS, AND HOLES PUNCHED IN THE AREAS BEHIND SAID RIGHT ANGLE CUTS, CORRESPONDING TO SAID RATCHET TOOTH SO THAT SAID RATCHET TEETH MAY SNAP INTO SAID HOLES UPON CLOSING SAID RING, FORMING A CLOSURE OF SAID RING PRESENTING A SMOOTH, PLANE SURFACE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |