Patent US3007212A successfully refreshed from Google Patents.
US3007212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semi-permanent housing foundation
Assignee: Individual
•
Filing: 1957-12-26
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Granted: 1961-11-07
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Expires: 1977-12-26
Abstract
No abstract record available.
Inventors
- 👤 Felix H Gazin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:49
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/0007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US963918A
Cited
US1357022A
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US2241830A
Cited
US2193550A
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US2212757A
Cited
FR1010146A
Cited
US2722040A
Cited
GB745618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |