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Patent US3037501A successfully refreshed from Google Patents.
US3037501A
Expired / Lapsed
US
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Quick-donning breathing mask
Assignee: Avox Systems Inc
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Filing: 1959-02-02
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Granted: 1962-06-05
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:24
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/02; A62B18/025; A62B18/08; A62B18/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE20389E
Cited
FR829908A
Cited
US2220674A
Cited
US2428425A
Cited
US2566557A
Cited
US2858828A
Cited
US2857911A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-04 | 1965-12-04 | 1966-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-04 | 1969-12-04 | 1970-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-04 | 1973-12-04 | 1974-06-05 | $7700.00 | Window Closed / Lapsed |