US3052887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Face protective devices
Assignee: Exide Technologies LLC
•
Filing: 1958-10-24
•
Granted: 1962-09-11
•
Expires: 1978-10-24
Abstract
No abstract record available.
Inventors
- 👤 William G Sockel
- 👤 Vernon F Gongoll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:29
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/02; A62B18/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1489978A
Cited
US2535258A
Cited
US2621751A
Cited
US2593892A
Cited
US2856469A
Cited
US2801423A
Cited
US2883672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |