Patent US1352191A successfully refreshed from Google Patents.
US1352191A
Expired / Lapsed
US
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Pneumatic tool
Assignee: HENIG ENGINE CO
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Filing: 1919-07-14
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Granted: 1920-09-07
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Expires: 1939-07-14
Abstract
No abstract record available.
Inventors
- 👤 Frank L Henig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:29
CPC Classifications
B; B25; B25D; B25D9/00; B25D9/14; B25D9/16; B25D9/18
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) | 1923-09-07 | 1924-03-08 | 1924-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-07 | 1928-03-08 | 1928-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-07 | 1932-03-08 | 1932-09-07 | $7700.00 | Window Closed / Lapsed |