Patent US3374636A successfully refreshed from Google Patents.
US3374636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diver's weight belt
Assignee: DANIEL F MASON
•
Filing: 1965-10-22
•
Granted: 1968-03-26
•
Expires: 1985-10-22
Abstract
No abstract record available.
Inventors
- 👤 Daniel F Mason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:49
CPC Classifications
B; B63; B63C; B63C11/00; B63C11/02; B63C11/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2025886A
Cited
US2321808A
Cited
US2400222A
Cited
US3086529A
Cited
US3220197A
Cited
US3298689A
Cited
US3274476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-03-26 | 1971-09-25 | 1972-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-26 | 1975-09-25 | 1976-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-26 | 1979-09-25 | 1980-03-26 | $7700.00 | Window Closed / Lapsed |