US2740385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hammer and starting device therefor
Assignee: Individual
•
Filing: 1951-06-19
•
Granted: 1956-04-03
•
Expires: 1971-06-19
Abstract
No abstract record available.
Inventors
- 👤 Haage Konrad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:23
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/22; B21J7/24; B21J7/26; Y; Y10; Y10S; Y10S102/00; Y10S102/702
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1059103A
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US1230729A
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GB130236A
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US1413961A
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US1573995A
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US1867475A
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US2305772A
Cited
US2271383A
Cited
US2364356A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |