US2950790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window and method of assembling
Assignee: CHAS HAAS Co
•
Filing: 1958-01-29
•
Granted: 1960-08-30
•
Expires: 1978-01-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles R Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:59
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/36; E04; E04B; E04B2/00; E04B2/88; E04B2/90; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE502195A
Cited
DE625097C
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US2570326A
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US2589517A
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US2665780A
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US2795306A
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US2855870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |