US3497913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanizing system
Assignee: Vulkor Inc
•
Filing: 1967-06-30
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Granted: 1970-03-03
•
Expires: 1987-06-30
Abstract
No abstract record available.
Inventors
- 👤 Robert L Gallant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/04; B29C35/06; B29C48/00; B29C48/03; B29C48/06; B29C48/25; B29C48/88; B29C48/91; B29C48/919; B29C35/041; B29C35/049; B29C48/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069087A
Cited
US2092306A
Cited
US2478616A
Cited
US2952870A
Cited
US2987768A
Cited
US3119147A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |