Patent US3400135A successfully refreshed from Google Patents.
US3400135A
Expired / Lapsed
US
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Oxetane compounds
Assignee: Olin Corp
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Filing: 1964-09-28
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Granted: 1968-09-03
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Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Roger J Polak
- 👤 John A Wojtowicz
- 👤 Joel A Zaslowksy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:11
CPC Classifications
C; C07; C07C; C07C43/00; C07C43/02; C07C43/03; C07C43/04; C07C43/13; C07C43/137; C07D; C07D305/00; C07D305/02; C07D305/04; C07D305/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE635428A
Cited
US2070990A
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US2237284A
Cited
US2965652A
Cited
US3093689A
Cited
US3156701A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |