Patent US2867301A successfully refreshed from Google Patents.
US2867301A
Expired / Lapsed
US
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False flooring system
Assignee: Individual
•
Filing: 1956-07-26
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Granted: 1959-01-06
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Expires: 1976-07-26
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Benton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:40
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/024; E04F15/02405; E04F15/02447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US221449A
Cited
US776419A
Cited
US2037611A
Cited
US2280220A
Cited
US2380692A
Cited
US2653525A
Cited
US2675567A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |