Patent US2784683A successfully refreshed from Google Patents.
US2784683A
Expired / Lapsed
US
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Dough handling machine
Assignee: LAURELDALE ENGINEERING Co
•
Filing: 1952-03-13
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Granted: 1957-03-12
•
Expires: 1972-03-13
Abstract
No abstract record available.
Inventors
- 👤 Earl W Curtis
- 👤 Curtis Junior Earl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:37
CPC Classifications
A; A21; A21C; A21C5/00; A21C9/00; A21C9/08
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |