Patent US3103661A successfully refreshed from Google Patents.
US3517094A
Expired / Lapsed
US
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Method of filling a flexible mold
Assignee: Tenneco Polymers Inc
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Filing: 1967-09-28
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Granted: 1970-06-23
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Expires: 1987-09-28
Abstract
No abstract record available.
Inventors
- 👤 Norman Forrest
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:04
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/14; B29C39/148; B29C31/00; B29C31/04; B29C33/00; B29C33/76; B29C43/00; B29C43/22; B29K; B29K2027/00; B29K2027/06; B29K2883/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |