US2530773A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel
Assignee: BENJAMIN REEL PRODUCTS Inc
•
Filing: 1947-01-31
•
Granted: 1950-11-21
•
Expires: 1967-01-31
Abstract
No abstract record available.
Inventors
- 👤 James E Johnson
- 👤 Charles R Yirava
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:39
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; B65H75/4418; B65H75/4428; B65H75/4434; H; H02; H02G; H02G11/00; H02G11/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US870736A
Cited
US885246A
Cited
US2159004A
Cited
US2322011A
Cited
US2416498A
Cited
US2375917A
Cited
US2391840A
Cited
US2486167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |