US3052291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Knockdown building
Assignee: Individual
•
Filing: 1959-07-20
•
Granted: 1962-09-04
•
Expires: 1979-07-20
Abstract
No abstract record available.
Inventors
- 👤 Howard L Fellers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:25
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/34315; E04B1/34326; E04B1/0046; E04B2/00; E04B2/56; E04B2/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1795270A
Cited
US1951778A
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US2007618A
Cited
US2066718A
Cited
US2612243A
Cited
US2905281A
Cited
US2755520A
Cited
US2915150A
Cited
US2919477A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-03 | 1966-03-05 | 1966-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-03 | 1970-03-05 | 1970-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-03 | 1974-03-05 | 1974-09-04 | $7700.00 | Window Closed / Lapsed |