US2983694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siloxane elastomers
Assignee: Midland Silicones Ltd
•
Filing: 1958-04-29
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Granted: 1961-05-09
•
Expires: 1978-04-29
Abstract
No abstract record available.
Inventors
- 👤 Page Nigel
- 👤 Lewis John Tudor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:23
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098; C08K5/14; C08K5/54; C08L; C08L83/00; C08L83/02; C08L83/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
THE PROCESS FOR MAKING A COMPOSITION OF MATTER WHICH CAN BE CONVERTED AT RELATIVELY LOW TEMPERATURES TO A CURED, SOLID ELASTIC STATE, WHICH PROCESS COMPRISES FORMING A MIXTURE OF INGREDIENTS CONSISTING ESSENTIALLY OF (1) AN ORGANOPOLYSILOXANE HAVING A VISCOSITY OF AT LEAST 100 CS. AT 25*C. HAVING THE AVERAGE GENERAL FORMULA
Claim 2
Dependent Claim
51 words
THE PROCESS FOR MAKING A COMPOSITION OF MATTER WHICH CAN BE CONVERTED AT RELATIVELY LOW TEMPERATURES TO A CURED, SOLID ELASTIC STATE, WHICH PROCESS COMPRISES FORMING A MIXTURE OF INGREDIENTS CONSISTING ESSENTIALLY OF (1) AN ORGANOPOLYSILOXANE HAVING A VISCOSITY OF AT LEAST 100 CS. AT 25*C. HAVING THE AVERAGE GENERAL FORMULA
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) | 1964-05-08 | 1964-11-07 | 1965-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-08 | 1968-11-07 | 1969-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-08 | 1972-11-07 | 1973-05-09 | $7700.00 | Window Closed / Lapsed |