Patent US3505232A successfully refreshed from Google Patents.
US3505232A
Expired / Lapsed
US
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Azeotropic mixture
Assignee: Honeywell International Inc
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Filing: 1967-01-09
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Granted: 1970-04-07
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Kevin Paul Murphy
- 👤 Sabatino R Orfeo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:27
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/02; C09K5/04; C09K5/041; C09K5/044
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB529031A
Cited
US3047506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |