US2202176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for delivering air foam to sealed tanks
Assignee: PYRENE MINIMAX CORP
•
Filing: 1938-01-12
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Granted: 1940-05-28
•
Expires: 1958-01-12
Abstract
No abstract record available.
Inventors
- 👤 Timpson Lewis G Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:49
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/06; A62C3/065; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/7722; Y10T137/7781; Y10T137/7832; Y10T137/7837; Y10T137/7838; Y10T137/7846; Y10T137/8593; Y10T137/87265
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) | 1943-05-28 | 1943-11-27 | 1944-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-05-28 | 1947-11-27 | 1948-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-05-28 | 1951-11-27 | 1952-05-28 | $7700.00 | Window Closed / Lapsed |