US3495272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Helmet having removable size adjusting means
Assignee: Individual
•
Filing: 1966-10-28
•
Granted: 1970-02-17
•
Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Hermann Tempelhof
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:51
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/32; A42B3/324; A42B3/04; A42B3/10; A42B3/12; A42B3/125; A42B3/127; A42B3/14; A42B3/145
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1434745A
Cited
US1492577A
Cited
US2445230A
Cited
US3016541A
Cited
US3087165A
Cited
US3110900A
Cited
US3213463A
Cited
US3242500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |