US3480403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chemical addition of gas to liquid solvent apparatus
Assignee: Individual
•
Filing: 1966-09-19
•
Granted: 1969-11-25
•
Expires: 1986-09-19
Abstract
No abstract record available.
Inventors
- 👤 Daniel I Hovey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
A; A23; A23L; A23L2/00; A23L2/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US19960A
Cited
US20382A
Cited
US65500A
Cited
US437318A
Cited
US705570A
Cited
US1240686A
Cited
GB168888A
Cited
US1539284A
Cited
US1905986A
Cited
US2334211A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |