Patent US4236550A successfully refreshed from Google Patents.
US1073005A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring-bit.
Assignee: Individual
•
Filing: 1912-05-11
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Granted: 1913-09-09
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Expires: 1932-05-11
Abstract
No abstract record available.
Inventors
- 👤 Samuel J Watkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:10
CPC Classifications
B; B23; B23B; B23B47/00; B23B47/28; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/56; Y10T408/68
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) | 1916-09-08 | 1917-03-10 | 1917-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-09-08 | 1921-03-10 | 1921-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-09-08 | 1925-03-10 | 1925-09-09 | $7700.00 | Window Closed / Lapsed |