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Patent US2901810A successfully refreshed from Google Patents.
US2901810A
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Pouring form for windows
Assignee: Fenestra Inc
•
Filing: 1954-06-01
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Granted: 1959-09-01
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Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Richards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:13
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/24; E04; E04G; E04G15/00; E04G15/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA491462A
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US1396280A
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US1863549A
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US1892311A
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US1881971A
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US1954788A
Cited
FR911523A
Cited
US2602983A
Cited
US2515977A
Cited
FR1010529A
Cited
US2704876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |