US1493550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic tool
Assignee: Individual
•
Filing: 1918-07-17
•
Granted: 1924-05-13
•
Expires: 1938-07-17
Abstract
No abstract record available.
Inventors
- 👤 William H Keller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:21
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/04; F; F16; F16B; F16B2200/00; F16B2200/69; F16B2200/71; F16B2200/73; Y; Y10; Y10T; Y10T403/00; Y10T403/60; Y10T403/602; Y10T403/70; Y10T403/7009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1927-05-13 | 1927-11-12 | 1928-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-05-13 | 1931-11-12 | 1932-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-05-13 | 1935-11-12 | 1936-05-13 | $7700.00 | Window Closed / Lapsed |