US2811380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cushioning lock for sliding door
Assignee: Pullman-Standard Car Manufacturing Co
•
Filing: 1953-01-29
•
Granted: 1957-10-29
•
Expires: 1973-01-29
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Osner
- 👤 John H Spence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:02
CPC Classifications
E; E05; E05B; E05B13/00; E05B13/002; E05B15/00; E05B15/02; E05B15/0205; E05B15/022; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; E05B65/00; E05B65/08; Y; Y10; Y10S; Y10S292/00; Y10S292/46; Y10T; Y10T292/00; Y10T292/08; Y10T292/0911; Y10T292/0945; Y10T292/0951; Y10T292/0954; Y10T292/0959; Y10T292/1039; Y10T292/1041; Y10T292/68; Y10T292/696
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |