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US3538655A
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US
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Loading dock shelters
Assignee: DUBUQUE AWNING AND TENT Co
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Filing: 1968-04-11
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Granted: 1970-11-10
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Expires: 1988-04-11
Abstract
No abstract record available.
Inventors
- 👤 Cyril P Frommelt
- 👤 Sylvan J Frommelt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:10
CPC Classifications
B; B65; B65G; B65G69/00; B65G69/008
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2892463A
Cited
US3181205A
Cited
US3230675A
Cited
US3352314A
Cited
US3437367A
Cited
US3375625A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-09 | 1974-05-11 | 1974-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-09 | 1978-05-11 | 1978-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-09 | 1982-05-11 | 1982-11-10 | $7700.00 | Window Closed / Lapsed |