US2934149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam producing apparatus
Assignee: Pyrene Co Ltd
•
Filing: 1955-05-09
•
Granted: 1960-04-26
•
Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Bedford Howard Edwin
- 👤 Henshaw Thomas Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:50
CPC Classifications
A; A62; A62C; A62C5/00; A62C5/002; Y; Y10; Y10S; Y10S261/00; Y10S261/26; Y10T; Y10T137/00; Y10T137/8593; Y10T137/877; Y10T137/87708
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401452A
Cited
US808711A
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US2004281A
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US2130745A
Cited
US2218294A
Cited
US2532986A
Cited
US2611439A
Cited
US2769500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |