US2870445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective headgear and lining suspensions
Assignee: MSA Safety Inc
•
Filing: 1954-10-28
•
Granted: 1959-01-27
•
Expires: 1974-10-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph R Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:05
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)
US1492577A
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US1575251A
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US1875143A
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US2025772A
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US2248366A
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US2585937A
Cited
GB679848A
Cited
US2617988A
Cited
US2746049A
Cited
US2741768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |