Patent US3230283A successfully refreshed from Google Patents.
Patent US2658249A successfully refreshed from Google Patents.
US2658249A
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Assignee: Individual
•
Filing: 1952-10-28
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Granted: 1953-11-10
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Expires: 1972-10-28
Abstract
No abstract record available.
Inventors
- 👤 Robert O Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:13
CPC Classifications
A; A44; A44B; A44B5/00; A44B5/007; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3632; Y10T24/364; Y10T24/3651; Y10T24/3655; Y10T24/366; Y10T24/367; Y10T24/3672
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) | 1956-11-09 | 1957-05-11 | 1957-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-09 | 1961-05-11 | 1961-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-09 | 1965-05-11 | 1965-11-10 | $7700.00 | Window Closed / Lapsed |