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Patent US2904850A successfully refreshed from Google Patents.
US2904850A
Expired / Lapsed
US
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Expansible building structure
Assignee: COUSE Manufacturing Inc
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Filing: 1956-08-14
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Granted: 1959-09-22
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Expires: 1976-08-14
Abstract
No abstract record available.
Inventors
- 👤 Kibbey W Couse
- 👤 Robert D Keehn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:45
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344; E04B1/3442; E04B1/3444; B; B60; B60P; B60P3/00; B60P3/32; B60P3/34; B60P3/341
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2259783A
Cited
US2546588A
Cited
US2587624A
Cited
GB742318A
Cited
US2765499A
Cited
US2793067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |