US2828998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work jaw means
Assignee: —
•
Filing: —
•
Granted: 1958-04-01
•
Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:31
CPC Classifications
—
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2677342A
Cited
US1787935A
Cited
US1712907A
Cited
US2275561A
Cited
US2535911A
Cited
US2609776A
Cited
US2609777A
Cited
US2583476A
Cited
US2763229A
Cited
US2781136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |