US3563933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molding composition
Assignee: 3M Co
•
Filing: 1969-03-03
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Granted: 1971-02-16
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Expires: 1989-03-03
Abstract
Abstract THE INCORPORATION WITH VULCANIZABLE HIGHLY FLUORINATED ELASTOMERS OF INORGANIC FILLERS IN THE FORM OF FLAKES AND IN QUANTITY TO REDUCE SHRINKAGE DURING VULCANIZATION OR MOLDING WITHOUT MATERIALLY DETRACTING FROM THE OTHER PHYSICAL PROPERTIES OF THE VULCANITE.
Inventors
- 👤 David A Stivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:18
CPC Classifications
C; C08; C08K; C08K7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |