US2639477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resilient fastener for rigid ventilated awnings
Assignee: DUDLEY MELANCON
•
Filing: 1950-11-24
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Granted: 1953-05-26
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Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Dewey J Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:25
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3427; Y10T24/3439; Y10T24/344; Y10T24/44; Y10T24/44641; Y10T24/44769; Y10T24/44778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |