US3453351A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Textile Rubber and Chemical Co Inc
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Filing: 1966-06-22
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Granted: 1969-07-01
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Expires: 1986-06-22
Abstract
No abstract record available.
Inventors
- 👤 Francis G Callahan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:22
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0057; D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017; D06N2205/00; D06N2205/04; D06N2205/045; D06N2207/00; D06N2207/04; Y; Y10; Y10S; Y10S493/00; Y10S493/967
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB764330A
Cited
US2727278A
Cited
US3138431A
Cited
US3219502A
Cited
US3210447A
Cited
US3296009A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |