Patent US802972A successfully refreshed from Google Patents.
US802972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Churn.
Assignee: Individual
•
Filing: 1905-08-07
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Granted: 1905-10-31
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Expires: 1925-08-07
Abstract
No abstract record available.
Inventors
- 👤 William A Carpenter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:55
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/46; B64C11/48; B63; B63H; B63H1/00; B63H1/02; B63H1/12
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) | 1908-10-30 | 1909-05-01 | 1909-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-10-30 | 1913-05-01 | 1913-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-10-30 | 1917-05-01 | 1917-10-31 | $7700.00 | Window Closed / Lapsed |