US1537519A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating gas-mask canister
Assignee: Individual
•
Filing: 1924-12-05
•
Granted: 1925-05-12
•
Expires: 1944-12-05
Abstract
No abstract record available.
Inventors
- 👤 Yablick Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:01
CPC Classifications
A; A62; A62B; A62B18/00; A62B18/08; A62B18/088; Y; Y10; Y10S; Y10S55/00; Y10S55/33; Y10S55/34; Y10T; Y10T436/00; Y10T436/17; Y10T436/173845; Y10T436/175383; Y10T436/18; Y10T436/182; Y10T436/184; Y10T436/186; Y10T436/20; Y10T436/204998; Y10T436/205831
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) | 1928-05-11 | 1928-11-10 | 1929-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-05-11 | 1932-11-10 | 1933-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-05-11 | 1936-11-10 | 1937-05-12 | $7700.00 | Window Closed / Lapsed |