US3515560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluorocarbon gas as a foam improving additive for carbonated beverages
Assignee: STROH BREWERY COMPANY
•
Filing: 1966-08-15
•
Granted: 1970-06-02
•
Expires: 1986-08-15
Abstract
No abstract record available.
Inventors
- 👤 Peter D Bayne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:31
CPC Classifications
C; C12; C12H; C12H1/00; C12H1/12; C12H1/14; A; A23; A23L; A23L2/00; A23L2/52; A23L2/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641746A
Cited
US1261294A
Cited
US2849323A
Cited
US2968628A
Cited
US3072487A
Cited
US3181952A
Cited
US3120441A
Cited
US3369912A
Cited
US3369913A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-01 | 1973-12-01 | 1974-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-01 | 1977-12-01 | 1978-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-01 | 1981-12-01 | 1982-06-02 | $7700.00 | Window Closed / Lapsed |