US2952284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mallet attachment
Assignee: Individual
•
Filing: 1957-06-06
•
Granted: 1960-09-13
•
Expires: 1977-06-06
Abstract
No abstract record available.
Inventors
- 👤 George B Nichols
- 👤 Wilbur R Schnee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
B; B25; B25D; B25D1/00; B25D1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2080948A
Cited
US1474510A
Cited
US1663886A
Cited
US1680823A
Cited
US1732985A
Cited
GB733391A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |