US2514641A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Work holding means
Assignee: Individual
•
Filing: 1947-04-14
•
Granted: 1950-07-11
•
Expires: 1967-04-14
Abstract
No abstract record available.
Inventors
- 👤 Sr Warren A Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:35
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16004; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1926; Y10T408/00; Y10T408/55; Y10T408/557; Y10T408/558; Y10T408/5587; Y10T408/563; Y10T408/5633; Y10T408/56337; Y10T408/5634
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321855A
Cited
US1560048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-10 | 1954-01-09 | 1954-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-10 | 1958-01-09 | 1958-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-10 | 1962-01-09 | 1962-07-11 | $7700.00 | Window Closed / Lapsed |