US2804954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal window framing
Assignee: BETTY S SPICKLEMIER
•
Filing: 1954-07-15
•
Granted: 1957-09-03
•
Expires: 1974-07-15
Abstract
No abstract record available.
Inventors
- 👤 Russell A Gillespie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:35
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/46; E06B3/4609
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1552436A
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US1650640A
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US2011152A
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US2101349A
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US2257703A
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US2288548A
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US2304598A
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US2375553A
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US2473657A
Cited
US2569386A
Cited
US2538138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |