US2685874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety attachment for pneumatic devices
Assignee: Atlantic Richfield Co
•
Filing: 1951-11-08
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Granted: 1954-08-10
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Expires: 1971-11-08
Abstract
No abstract record available.
Inventors
- 👤 Adrian G Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:08
CPC Classifications
B; B25; B25D; B25D17/00; B25D17/04; B25D17/046; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/219
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) | 1957-08-09 | 1958-02-08 | 1958-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-09 | 1962-02-08 | 1962-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-09 | 1966-02-08 | 1966-08-10 | $7700.00 | Window Closed / Lapsed |