US2423618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fire-foam producing apparatus
Assignee: Pyrene Co Ltd
•
Filing: 1944-08-19
•
Granted: 1947-07-08
•
Expires: 1964-08-19
Abstract
No abstract record available.
Inventors
- 👤 Ratzer Arthur Ferdinand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:38
CPC Classifications
A; A62; A62C; A62C5/00; A62C5/02; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/311; B01F25/3111; Y; Y10; Y10S; Y10S261/00; Y10S261/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1151259A
Cited
US2089646A
Cited
GB435979A
Cited
US2003183A
Cited
DE658328C
Cited
GB491838A
Cited
US2373009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-07 | 1951-01-06 | 1951-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-07 | 1955-01-06 | 1955-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-07 | 1959-01-06 | 1959-07-08 | $7700.00 | Window Closed / Lapsed |