Patent US3104976A successfully refreshed from Google Patents.
US3104976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing a filled doughnut
Assignee: Intercontinental Great Brands LLC
•
Filing: 1961-09-25
•
Granted: 1963-09-24
•
Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Howard B Tolley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:26
CPC Classifications
A; A21; A21B; A21B5/00; A21B5/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US651829A
Cited
US1664337A
Cited
US1596652A
Cited
US1706491A
Cited
US1933557A
Cited
US2855305A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |