Patent US3110620A successfully refreshed from Google Patents.
Patent US3131060A successfully refreshed from Google Patents.
Patent US5556397A successfully refreshed from Google Patents.
Patent US1500946A successfully refreshed from Google Patents.
US1500946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable fire extinguisher
Assignee: Individual
•
Filing: 1923-05-04
•
Granted: 1924-07-08
•
Expires: 1943-05-04
Abstract
No abstract record available.
Inventors
- 👤 Krauss Friedrich Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:53
CPC Classifications
A; A62; A62C; A62C13/00; A62C13/003
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1927-07-08 | 1928-01-07 | 1928-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-07-08 | 1932-01-07 | 1932-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-07-08 | 1936-01-07 | 1936-07-08 | $7700.00 | Window Closed / Lapsed |