US3568210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective headgear
Assignee: Individual
•
Filing: 1968-10-10
•
Granted: 1971-03-09
•
Expires: 1988-10-10
Abstract
Abstract A CUSTOMIZED PROTECTIVE HELMET INCLUDING A RIGID OUTER SHELL OF STANDARD SIZE AND FITTED WITH A SPECIFIC SIZED OUTER IONING HEAD FORM WITH FASTENING MEANS SECURING THE HEAD FORM TO THE SHELL.
Inventors
- 👤 Michael T Marietta
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:55
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/04; A42B3/10; A42B3/14; A42B3/145; A42B3/12; A42B3/125; A42B3/127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-08 | 1974-09-07 | 1975-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-08 | 1978-09-07 | 1979-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-08 | 1982-09-07 | 1983-03-09 | $7700.00 | Window Closed / Lapsed |