US2842236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window frame
Assignee: MID STATES ALUMINUM PRODUCTS C
•
Filing: 1955-03-21
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Granted: 1958-07-08
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Expires: 1975-03-21
Abstract
No abstract record available.
Inventors
- 👤 Axelrod Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/96; E06B3/964; E06B3/968; E06B3/976; E06B3/9765; E06B1/00; E06B1/56; E06B1/60
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2565747A
Cited
US2666508A
Cited
US2693257A
Cited
US2687194A
Cited
US2636580A
Cited
US2742119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |