US2834017A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detachable shield for safety hats
Assignee: Exide Technologies LLC
•
Filing: 1955-03-28
•
Granted: 1958-05-13
•
Expires: 1975-03-28
Abstract
No abstract record available.
Inventors
- 👤 Jack N Simpson
- 👤 William R Bohner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:12
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/18; A42B3/22; A42B3/225
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1725340A
Cited
US1857284A
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US1955232A
Cited
US2382936A
Cited
US2360482A
Cited
US2421427A
Cited
US2519959A
Cited
US2718006A
Cited
US2759188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |