US2494406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective mask
Assignee: SANI MASK Inc
•
Filing: 1949-03-17
•
Granted: 1950-01-10
•
Expires: 1969-03-17
Abstract
No abstract record available.
Inventors
- 👤 Edward S Reitano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:51
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/11; A41D13/1161
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US814741A
Cited
US960520A
Cited
US1359073A
Cited
US1296946A
Cited
GB134432A
Cited
US1584012A
Cited
US2134640A
Cited
US2276612A
Cited
US2458580A
Cited
US2432767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |