US927846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perforator.
Assignee: Individual
•
Filing: 1908-09-09
•
Granted: 1909-07-13
•
Expires: 1928-09-09
Abstract
No abstract record available.
Inventors
- 👤 William Flett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:26
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; Y; Y10; Y10T; Y10T83/00; Y10T83/929; Y10T83/9372; Y10T83/9406; Y10T83/9408
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) | 1912-07-12 | 1913-01-11 | 1913-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-07-12 | 1917-01-11 | 1917-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-07-12 | 1921-01-11 | 1921-07-13 | $7700.00 | Window Closed / Lapsed |