Patent US3406235A successfully refreshed from Google Patents.
US3406235A
Expired / Lapsed
US
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Method and apparatus for manufacturing foam rubber cushioning
Assignee: Day International Corp
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Filing: 1965-03-19
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Granted: 1968-10-15
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Expires: 1985-03-19
Abstract
No abstract record available.
Inventors
- 👤 Trogdon Thomas
- 👤 James R Fore
- 👤 John O Pettigrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:41
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/5627; B29C44/5636; B29L; B29L2031/00; B29L2031/751
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA601681A
Cited
US3125621A
Cited
US1175133A
Cited
US1542207A
Cited
US2575259A
Cited
US2655196A
Cited
US2933767A
Cited
US2946713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-15 | 1972-04-15 | 1972-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-15 | 1976-04-15 | 1976-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-15 | 1980-04-15 | 1980-10-15 | $7700.00 | Window Closed / Lapsed |