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US2846224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1956-05-11
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Granted: 1958-08-05
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 Ronald F Roselle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:05
CPC Classifications
A; A63; A63B; A63B67/00; Y; Y10; Y10T; Y10T24/00; Y10T24/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US639173A
Cited
US2567277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-04 | 1962-02-03 | 1962-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-04 | 1966-02-03 | 1966-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-04 | 1970-02-03 | 1970-08-05 | $7700.00 | Window Closed / Lapsed |