Patent US3012291A successfully refreshed from Google Patents.
US3012291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible portable building
Assignee: Individual
•
Filing: 1959-01-05
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Granted: 1961-12-12
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Expires: 1979-01-05
Abstract
No abstract record available.
Inventors
- 👤 Donald W Rice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:48
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/344; E04B1/3442
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB699753A
Cited
US2845663A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |