Patent US2922194A successfully refreshed from Google Patents.
US2645476A
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Folding and stacking machine
Assignee: PIONEER DEV CO
•
Filing: 1948-10-01
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Granted: 1953-07-14
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Expires: 1968-10-01
Abstract
No abstract record available.
Inventors
- 👤 Vollmer V Wood
- 👤 Emile B Bigue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:55
CPC Classifications
D; D06; D06F; D06F89/00; Y; Y10; Y10S; Y10S493/00; Y10S493/937
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) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |