US2608413A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic hammer
Assignee: Individual
•
Filing: 1949-08-25
•
Granted: 1952-08-26
•
Expires: 1969-08-25
Abstract
No abstract record available.
Inventors
- 👤 William H Peck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:58
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/18; B25; B25D; B25D17/00; B25D17/08; B25D17/084; B25D17/088; E; E21; E21B; E21B6/00; E21B6/06; B25D2217/00; B25D2217/003; B25D2217/0034; B25D2217/0038; B25D2217/0042; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17042; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1527
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1788972A
Cited
US1921694A
Cited
US1968380A
Cited
US1993502A
Cited
US2090464A
Cited
US2248824A
Cited
US2336953A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |