Patent US3533200A successfully refreshed from Google Patents.
US3533200A
Expired / Lapsed
US
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Prefabricated room assembly
Assignee: Crane Canada Co
•
Filing: 1967-08-29
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Granted: 1970-10-13
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Expires: 1987-08-29
Abstract
No abstract record available.
Inventors
- 👤 Robert George Zoebelein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:24
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/348; E04B1/34815; A; A47; A47K; A47K4/00; E04B1/34869
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2087121A
Cited
US2220482A
Cited
US2922563A
Cited
US3110907A
Cited
US3224155A
Cited
US3382635A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |