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Patent US2894433A successfully refreshed from Google Patents.
US2894433A
Expired / Lapsed
US
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Partition assembly machine
Assignee: Individual
•
Filing: 1957-07-16
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Granted: 1959-07-14
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Expires: 1977-07-16
Abstract
No abstract record available.
Inventors
- 👤 Peters Chester
- 👤 Floyd B Seybold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:56
CPC Classifications
B; B31; B31D; B31D5/00; B31D5/0004; B31D5/0013; B31B; B31B50/00; B31B50/74; B31B50/81; B31B2105/00; B31B2120/00; B31B2120/20; B31B2120/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2662453A
Cited
US2676522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |