US2845233A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety apparatus
Assignee: Pacific Scientific Co
•
Filing: 1953-02-10
•
Granted: 1958-07-29
•
Expires: 1973-02-10
Abstract
No abstract record available.
Inventors
- 👤 Leo A Pfankuch
- 👤 Robert J Wrighton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:52
CPC Classifications
B; B60; B60R; B60R22/00; B60R22/18; B60R22/26; B60R22/34; B60R22/36; B60R22/415; B60R2022/1818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1308480A
Cited
US1037333A
Cited
US2546202A
Cited
US2370921A
Cited
US2403653A
Cited
US2434119A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-28 | 1962-01-27 | 1962-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-28 | 1966-01-27 | 1966-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-28 | 1970-01-27 | 1970-07-29 | $7700.00 | Window Closed / Lapsed |