US1366249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1918-12-04
•
Granted: 1921-01-18
•
Expires: 1938-12-04
Abstract
No abstract record available.
Inventors
- 👤 Cunningham John Wilber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:14
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/06; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2531; Y10T82/2541; Y10T82/2543; Y10T82/2585
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) | 1924-01-18 | 1924-07-19 | 1925-01-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1928-01-18 | 1928-07-19 | 1929-01-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1932-01-18 | 1932-07-19 | 1933-01-18 | $7700.00 | Window Closed / Lapsed |