US2800072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylindrical press assembly
Assignee: Akzo Nobel UK PLC
•
Filing: 1954-04-28
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Granted: 1957-07-23
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Expires: 1974-04-28
Abstract
No abstract record available.
Inventors
- 👤 Charles D Vandenburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:16
CPC Classifications
B; B30; B30B; B30B9/00; B30B9/02; B30B9/26; B30B9/04; B30B9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US338034A
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US1026876A
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US1247979A
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US1151186A
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US1169559A
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US1448774A
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US2346018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |