Patent US2953873A successfully refreshed from Google Patents.
US2953873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Building construction
Assignee: Individual
•
Filing: 1958-07-17
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Granted: 1960-09-27
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Expires: 1978-07-17
Abstract
No abstract record available.
Inventors
- 👤 Rene E Tatro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:33
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/56; E04B2/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1939624A
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US2038115A
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US2076404A
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US2104872A
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US2130788A
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US2137767A
Cited
US2205730A
Cited
US2261077A
Cited
US2234559A
Cited
US2339220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |