Patent US2453536A successfully refreshed from Google Patents.
US2453536A
Expired / Lapsed
US
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Chisel retainer for pneumatic hammers
Assignee: Individual
•
Filing: 1947-06-26
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Granted: 1948-11-09
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Expires: 1967-06-26
Abstract
No abstract record available.
Inventors
- 👤 William H Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:30
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/08; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1309815A
Cited
US1074044A
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US1346341A
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US1345583A
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US1812652A
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US1898726A
Cited
US2333405A
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US2191699A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-09 | 1952-05-10 | 1952-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-09 | 1956-05-10 | 1956-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-09 | 1960-05-10 | 1960-11-09 | $7700.00 | Window Closed / Lapsed |