US2910702A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Energy absorption device
Assignee: MSA Safety Inc
•
Filing: 1956-11-02
•
Granted: 1959-11-03
•
Expires: 1976-11-02
Abstract
No abstract record available.
Inventors
- 👤 Harry W Austin
- 👤 Robert R Hornickel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 02:24
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US508429A
Cited
US906557A
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US1408373A
Cited
US1774710A
Cited
GB556515A
Cited
US2455797A
Cited
US2452228A
Cited
US2581366A
Cited
US2796609A
Cited
US2758305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-02 | 1963-05-04 | 1963-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-02 | 1967-05-04 | 1967-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-02 | 1971-05-04 | 1971-11-03 | $7700.00 | Window Closed / Lapsed |