US2513847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1947-03-04
•
Granted: 1950-07-04
•
Expires: 1967-03-04
Abstract
No abstract record available.
Inventors
- 👤 Dewey L Covey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:50
CPC Classifications
A; A44; A44B; A44B9/00; A44B9/02; A44B9/10; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3649; Y10T24/3651; Y10T24/46; Y10T24/4604; Y10T24/4605; Y10T24/4609; Y10T24/4618; Y10T24/4621
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US259972A
Cited
US687028A
Cited
US950289A
Cited
US1050552A
Cited
US1240381A
Cited
US1357035A
Cited
US1419104A
Cited
US2073602A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-03 | 1954-01-02 | 1954-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-03 | 1958-01-02 | 1958-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-03 | 1962-01-02 | 1962-07-04 | $7700.00 | Window Closed / Lapsed |