US3544492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sulfur-containing curing agents
Assignee: Goodrich Corp
•
Filing: 1967-12-04
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Granted: 1970-12-01
•
Expires: 1987-12-04
Abstract
No abstract record available.
Inventors
- 👤 Ray D Taylor
- 👤 Pyong-Nae Son
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:50
CPC Classifications
C; C08; C08L; C08L21/00; C08L7/00; C08L81/00; C08L81/04; C08L9/00; C08L9/06; C08L91/00; C08K; C08K3/00; C08K3/30; C08K5/00; C08K5/16; C08K5/34; C08K5/3467; C08K5/3477; C08K5/3492
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) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |