Patent US2563516A successfully refreshed from Google Patents.
US2563516A
Expired / Lapsed
US
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Aijxylj-thia-y-sila-y
Assignee: —
•
Filing: —
•
Granted: 1951-08-07
•
Expires: 1968-08-07
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:22
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C10; C10M; C10M1/00; C10M1/08; C10M2227/00; C10M2227/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
17 words
A COMPOUND OF THE FORMULA @SP (RO)3SI(CH2)3SCH2COOR'' @SP WHEREIN R AND R'' ARE LOWER MONOVALENT ALKYL RADICALS.
Claim 2
Dependent Claim
17 words
A COMPOUND OF THE FORMULA @SP (RO)3SI(CH2)3SCH2COOR'' @SP WHEREIN R AND R'' ARE LOWER MONOVALENT ALKYL RADICALS.
References Cited (Backward Citations)
US2352435A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-06 | 1955-02-05 | 1955-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-06 | 1959-02-05 | 1959-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-06 | 1963-02-05 | 1963-08-07 | $7700.00 | Window Closed / Lapsed |