US2682689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal awning
Assignee: KOOL VENT METAL AWNING Corp
•
Filing: 1949-09-30
•
Granted: 1954-07-06
•
Expires: 1969-09-30
Abstract
No abstract record available.
Inventors
- 👤 Herbert M Helt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:33
CPC Classifications
E; E04; E04F; E04F10/00; E04F10/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US511775A
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USRE20975E
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US734275A
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US1571981A
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US1674210A
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US1770063A
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US2442891A
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US2542919A
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US2484987A
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US2503136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |