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Patent US2935865A successfully refreshed from Google Patents.
US2935865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dampproofing buildings
Assignee: Individual
•
Filing: 1957-02-21
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Granted: 1960-05-10
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Expires: 1977-02-21
Abstract
No abstract record available.
Inventors
- 👤 Allison G Munro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:30
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/62; E04B1/64; E04B1/644
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1967105A
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US1991550A
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US2044637A
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US2163286A
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US2260438A
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US2212982A
Cited
US2347276A
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US2504700A
Cited
US2581727A
Cited
US2721819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |