US2629142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window construction
Assignee: Individual
•
Filing: 1952-02-07
•
Granted: 1953-02-24
•
Expires: 1972-02-07
Abstract
No abstract record available.
Inventors
- 👤 Rifkin Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:52
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4446; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/1099; Y10T292/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US451603A
Cited
US1864066A
Cited
US2203427A
Cited
US2270315A
Cited
US2264020A
Cited
US2471635A
Cited
US2524924A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-24 | 1956-08-25 | 1957-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-24 | 1960-08-25 | 1961-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-24 | 1964-08-25 | 1965-02-24 | $7700.00 | Window Closed / Lapsed |