US2929324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weight release mechanisms
Assignee: Individual
•
Filing: 1956-12-10
•
Granted: 1960-03-22
•
Expires: 1976-12-10
Abstract
No abstract record available.
Inventors
- 👤 Berman Alan
- 👤 Ferry Dobbs
- 👤 Henry C Beck
- 👤 Gaetano J Imperato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
B; B63; B63B; B63B22/00; B63B22/04; B63B22/06; B63B2209/00; B63B2209/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR363242A
Cited
US1039254A
Cited
GB160181A
Cited
US1294327A
Cited
US1531550A
Cited
US2399523A
Cited
US2489984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |