US3437722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transfer molding of foam
Assignee: Haveg Industries Inc
•
Filing: 1965-04-27
•
Granted: 1969-04-08
•
Expires: 1985-04-27
Abstract
No abstract record available.
Inventors
- 👤 Edward W Cronin
- 👤 Walter O Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:34
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/36; B29C44/38; B29C44/42; B29C44/421; C; C08; C08J; C08J9/00; C08J9/04; Y; Y10; Y10S; Y10S264/00; Y10S264/83
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3058161A
Cited
US3225127A
Cited
US3162703A
Cited
US3218375A
Cited
US3211605A
Cited
US3268636A
Cited
US3300554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |