US3381076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for shaping and forming selected portions of a foamed sheet
Assignee: Individual
•
Filing: 1964-11-23
•
Granted: 1968-04-30
•
Expires: 1984-11-23
Abstract
No abstract record available.
Inventors
- 👤 Charles A Govatsos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/36; B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29K; B29K2995/00; B29K2995/0037; B29K2995/0094; B29K2995/0096; Y; Y10; Y10S; Y10S220/00; Y10S220/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2677747A
Cited
US2964799A
Cited
US3187380A
Cited
US3170974A
Cited
US3301935A
Cited
US3315018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-30 | 1971-10-30 | 1972-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-30 | 1975-10-30 | 1976-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-30 | 1979-10-30 | 1980-04-30 | $7700.00 | Window Closed / Lapsed |