US1384116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined force-feed and operating device
Assignee: Individual
•
Filing: 1920-06-01
•
Granted: 1921-07-12
•
Expires: 1940-06-01
Abstract
No abstract record available.
Inventors
- 👤 Isaac J Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:41
CPC Classifications
B; B23; B23C; B23C3/00; B23C3/02; B23C3/05; Y; Y10; Y10T; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/564; Y10T408/5647
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) | 1924-07-11 | 1925-01-10 | 1925-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-07-11 | 1929-01-10 | 1929-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-07-11 | 1933-01-10 | 1933-07-12 | $7700.00 | Window Closed / Lapsed |