US1235959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve-dressing tool.
Assignee: ALPHEUS P BUCHMAN
•
Filing: 1916-10-09
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Granted: 1917-08-07
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Expires: 1936-10-09
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bradfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:24
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/28; B23C3/30; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/89; Y10T408/909; Y10T409/00; Y10T409/30; Y10T409/304424; Y10T82/00; Y10T82/29
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) | 1920-08-06 | 1921-02-05 | 1921-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1924-08-06 | 1925-02-05 | 1925-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1928-08-06 | 1929-02-05 | 1929-08-07 | $7700.00 | Window Closed / Lapsed |