US2935873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diver held depth gauge
Assignee: Individual
•
Filing: 1956-04-30
•
Granted: 1960-05-10
•
Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Stewart Trigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:11
CPC Classifications
G; G01; G01C; G01C15/00; G01C15/02; G01C15/06; G01C5/00; G01C5/06; G01L; G01L19/00; G01L19/06; G01L19/0627; G01L19/0645; G01L7/00; G01L7/02; G01L7/04; G01L7/041; B; B63; B63C; B63C11/00; B63C11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US9163A
Cited
GB190020641A
Cited
US874517A
Cited
US2216374A
Cited
US2307838A
Cited
US2530068A
Cited
US2592159A
Cited
FR1011265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |