US2787348A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency exit window
Assignee: OM Edwards Co Inc
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Filing: 1954-05-28
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Granted: 1957-04-02
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Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
- 👤 George H Goodemote
- 👤 Hugo W Seaburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:40
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/32; E06B3/50; E06B3/5054; E06B3/5063; C; C01; C01B; C01B19/00; C01B19/02; E06B3/34; E06B3/42; E06B3/44; E06B2003/4438; E06B2003/4453; E06B3/4407
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-01 | 1960-10-01 | 1961-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-01 | 1964-10-01 | 1965-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-01 | 1968-10-01 | 1969-04-02 | $7700.00 | Window Closed / Lapsed |