Patent US2584544A successfully refreshed from Google Patents.
US2584544A
Expired / Lapsed
US
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Organo-silicon compounds
Assignee: Libbey Owens Ford Glass Co
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Filing: 1949-04-02
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Granted: 1952-02-05
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Expires: 1969-04-02
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Bunnell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:20
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
AN ORGANOSILICON COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
7 words
AN ORGANOSILICON COMPOUND HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
US2290759A
Cited
US2265312A
Cited
US2416990A
Cited
US2420689A
Cited
US2474578A
Cited
US2436777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |