Patent US2878156A successfully refreshed from Google Patents.
US2878156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
1, 1, 2-trifluoroethylfluorosulfonate and fumigation process
Assignee: Dow Chemical Co
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Filing: 1956-12-31
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Granted: 1959-03-17
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Expires: 1976-12-31
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Davis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:41
CPC Classifications
C; C07; C07C; C07C309/00; C07C309/78; C07C309/79; C07C309/80
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
20 words
IN A PROCESS FOR COMBATING PEST ORGANISMS BY FUMIGATION, THE STEP WHICH COMPRISES: CONTACTING SUCH ORGANISMS WITH VAPORS OF 1,1,2-TRIFLUOROETHYLFLUOROSULFONATE.
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |