Patent US1167975A successfully refreshed from Google Patents.
US1167975A
Expired / Lapsed
US
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Pneumatic-tool piston.
Assignee: ENGINEERING PRODUCTS Corp
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Filing: 1914-05-21
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Granted: 1916-01-11
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Expires: 1934-05-21
Abstract
No abstract record available.
Inventors
- 👤 William Burlingham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:47
CPC Classifications
E; E02; E02D; E02D7/00; E02D7/02; E02D7/06; E02D7/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49229; Y10T29/49249
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) | 1919-01-10 | 1919-07-12 | 1920-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-01-10 | 1923-07-12 | 1924-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-01-10 | 1927-07-12 | 1928-01-11 | $7700.00 | Window Closed / Lapsed |