US3464411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Respirator holder device
Assignee: ANGEL V MARTINEZ
•
Filing: 1967-03-22
•
Granted: 1969-09-02
•
Expires: 1987-03-22
Abstract
No abstract record available.
Inventors
- 👤 Angel V Martinez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:02
CPC Classifications
A; A61; A61M; A61M16/00; A61M16/06; A61M16/0683; A61M2209/00; A61M2209/08; A61M2209/082
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) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |