US3551910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neck and head protector for mounting on safety helmets
Assignee: Bullard Co
•
Filing: 1968-11-12
•
Granted: 1971-01-05
•
Expires: 1988-11-12
Abstract
Abstract A NECK-PROTECTIVE SHIELD THAT CAN BE REMOVABLY MOUNTED ON HEAD-PROTECTIVE HELMETS. A TRANSPARENT FACE-PROTECTIVE SHIELD THAT CAN BE REMOVABLY MOUNTED ON THE NECKPROTECTIVE SHIELD.
Inventors
- 👤 Herbert A Raschke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:55
CPC Classifications
A; A42; A42B; A42B3/00; A42B3/32
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |