US3065747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mask retaining device for a helmet
Assignee: Individual
•
Filing: 1959-08-20
•
Granted: 1962-11-27
•
Expires: 1979-08-20
Abstract
No abstract record available.
Inventors
- 👤 Forkel William Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:42
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/084; Y; Y10; Y10T; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45471; Y10T24/45476; Y10T24/45524; Y10T24/45529; Y10T24/45534; Y10T24/4588; Y10T24/45885; Y10T24/4589
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2428746A
Cited
US2814293A
Cited
US2775288A
Cited
US2942602A
Cited
FR1185773A
Cited
US2912978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |