Patent US4460728A successfully refreshed from Google Patents.
Patent US2867812A successfully refreshed from Google Patents.
US2867812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Retaining means for helmets and face masks
Assignee: UNITED TANKS Inc
•
Filing: 1955-10-10
•
Granted: 1959-01-13
•
Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Herman P Roth
- 👤 Charles F Lombard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:44
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/28; A42B3/288; A44; A44B; A44B11/00; A44B11/25; A44B11/26; A44B11/266; A62; A62B; A62B18/00; A62B18/08; A62B18/084; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10S24/47; Y10S24/48; Y10T; Y10T24/00; Y10T24/45; Y10T24/45152; Y10T24/45215
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |