US2620651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prefabricated building structure
Assignee: Individual
•
Filing: 1946-07-08
•
Granted: 1952-12-09
•
Expires: 1966-07-08
Abstract
No abstract record available.
Inventors
- 👤 Brauer Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:25
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/02; E04B1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2306548A
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US2331083A
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US2291712A
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US2335433A
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US2298184A
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US2376705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |