US3461626A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hinged,collapsible,structural cover
Assignee: Instant Structures Inc
•
Filing: 1966-12-07
•
Granted: 1969-08-19
•
Expires: 1986-12-07
Abstract
No abstract record available.
Inventors
- 👤 James B Aitken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:31
CPC Classifications
E; E04; E04B; E04B7/00; E04B7/16; E04B1/00; E04B1/343; E04B1/344; E04B1/345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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Cited
GB593200A
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US2692566A
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DE1094439B
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FR1165676A
Cited
US3034606A
Cited
US3016115A
Cited
US3017893A
Cited
US3028706A
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US3139958A
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US3277616A
Cited
US3138828A
Cited
US3333376A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |