US3000414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer
Assignee: Individual
•
Filing: 1956-03-16
•
Granted: 1961-09-19
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Cordis Nat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:54
CPC Classifications
B; B25; B25D; B25D1/00; B25D1/12; B25D1/02; B25D2222/00; B25D2222/54; B25D2222/57; B25D2250/00; B25D2250/085; B25D2250/105
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191416346A
Cited
US1210539A
Cited
US1663886A
Cited
US2282932A
Cited
US2515431A
Cited
GB733391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |