US3424250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam-generating apparatus
Assignee: CHARLES F THOMAE
•
Filing: 1966-01-06
•
Granted: 1969-01-28
•
Expires: 1986-01-06
Abstract
No abstract record available.
Inventors
- 👤 Charles F Thomae
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:29
CPC Classifications
A; A62; A62C; A62C3/00; A62C3/02; A62C3/0207
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2492037A
Cited
US2765856A
Cited
US2774583A
Cited
GB804118A
Cited
US2988343A
Cited
US3051464A
Cited
FR1329032A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |