US3245259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Depth gauge plug
Assignee: Individual
•
Filing: 1963-11-21
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Granted: 1966-04-12
•
Expires: 1983-11-21
Abstract
No abstract record available.
Inventors
- 👤 Adolf M Werbowetzki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:27
CPC Classifications
G; G01; G01F; G01F23/00; G01F23/0023; G01F23/14; G01F23/16; G01F23/164
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
A DEPTH GAUGE COMPRISING, AN ELONGATED CASING, AN ELONGATED RATCHET RACK FIXED IN SAID CASING, A PRESSURE RESPONSIVE ELEMENT MOVABLE LONGITUDINALLY OF SAID CASING AND PRESENTING A PAWL IN ONE-WAY LOCKING ENGAGEMENT WITH SAID RACK, AND A CALIBRATED DEPTH GAUGE SCALE IN FIXED ASSOCIATION WITH SAID RACK.
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) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |