US3354095A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solid, substantially spherical, hard particles and preparation thereof
Assignee: OI Glass Inc
•
Filing: 1964-07-23
•
Granted: 1967-11-21
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Expires: 1984-07-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Burzynski
- 👤 Robert E Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:37
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A METHOD OF PRODUCING SOLID, SUBSTANTIALLY SPHERICAL, HARD PARTICLES OF ORGANOPOLYSILOXANE WHICH CONSISTS ESSENTIALLY OF THE FOLLOWING STEPS: (I) MIXING WITH AGITATION (A) AN ORGANOTRIALKOXYSILANE OF THE FORMULA
Claim 2
Independent Claim
28 words
A METHOD OF PRODUCING SOLID, SUBSTANTIALLY SPHERICAL, HARD PARTICLES OF ORGANOPOLYSILOXANE WHICH CONSISTS ESSENTIALLY OF THE FOLLOWING STEPS: (I) MIXING WITH AGITATION (A) AN ORGANOTRIALKOXYSILANE OF THE 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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |