Patent US2508917A successfully refreshed from Google Patents.
US2508917A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1-alkoxy-1-aryloxy-2, 2, 3-trichloro-nu-butanes
Assignee: Uniroyal Inc
•
Filing: 1947-01-29
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Granted: 1950-05-23
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Expires: 1967-01-29
Abstract
No abstract record available.
Inventors
- 👤 Walter D Harris
- 👤 Theodore W Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:37
CPC Classifications
C; C07; C07C; C07C205/00; C07C205/27; C07C205/35; C07C205/36; C07C205/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
4 words
A 1 - ALKOXY-1-ARYLOXY-2,2,3-TRICHLORO-N-BUTANE.
Claim 2
Dependent Claim
4 words
A 1 - ALKOXY-1-ARYLOXY-2,2,3-TRICHLORO-N-BUTANE.
References Cited (Backward Citations)
US2416263A
Cited
US2129025A
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US2209911A
Cited
US2327338A
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US2314304A
Cited
US2425534A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |