Patent US2851744A successfully refreshed from Google Patents.
US2851744A
Expired / Lapsed
US
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Weatherstripped threshold and riser therefor
Assignee: Individual
•
Filing: 1955-12-07
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Granted: 1958-09-16
•
Expires: 1975-12-07
Abstract
No abstract record available.
Inventors
- 👤 Robert G Oehmig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:52
CPC Classifications
E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2305; E06B7/2307; E06B7/2309; E06B7/2316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1593540A
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US1840879A
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US1936641A
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US1890672A
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US1998791A
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US2108137A
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US2181812A
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US2702415A
Cited
US2718677A
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US2739357A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |