US2556239A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam fire fighting method
Assignee: Individual
•
Filing: 1947-04-01
•
Granted: 1951-06-12
•
Expires: 1967-04-01
Abstract
No abstract record available.
Inventors
- 👤 Richard L Tuve
- 👤 Henry B Peterson
- 👤 Roy S Ericson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:15
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/06; A62C3/065; Y; Y10; Y10S; Y10S261/00; Y10S261/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1115887A
Cited
US2324605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |