US3536897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recipe converter
Assignee: ALLEN S HUBBARD
•
Filing: 1968-05-23
•
Granted: 1970-10-27
•
Expires: 1988-05-23
Abstract
No abstract record available.
Inventors
- 👤 Rosemary Blankenship Hubbard
- 👤 Allen S Hubbard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:52
CPC Classifications
G; G06; G06C; G06C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3082946A
Cited
US773675A
Cited
US2212161A
Cited
US3285512A
Cited
US3281071A
Cited
US3436015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |