US2709512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Processing machines
Assignee: Hanson Van Winkle Munning Co
•
Filing: 1954-06-16
•
Granted: 1955-05-31
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Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:56
CPC Classifications
C; C23; C23G; C23G3/00; B; B65; B65G; B65G49/00; B65G49/02; B65G49/04; B65G49/0409; B65G49/0436; B65G49/044; B65G49/045; B65G49/0454; B65G49/0463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2048938A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-30 | 1958-11-29 | 1959-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-30 | 1962-11-29 | 1963-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-30 | 1966-11-29 | 1967-05-31 | $7700.00 | Window Closed / Lapsed |