US940518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saw-tooth.
Assignee: Individual
•
Filing: 1909-03-06
•
Granted: 1909-11-16
•
Expires: 1929-03-06
Abstract
No abstract record available.
Inventors
- 👤 John W Dunn
- 👤 Herman J Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:01
CPC Classifications
B; B23; B23D; B23D61/00; B23D61/12; B23D61/121; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9319; Y10T83/935; Y10T83/936
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) | 1912-11-15 | 1913-05-17 | 1913-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-11-15 | 1917-05-17 | 1917-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-11-15 | 1921-05-17 | 1921-11-16 | $7700.00 | Window Closed / Lapsed |