US2591612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Top roll assembly
Assignee: R H BOULIGNY Inc
•
Filing: 1948-02-07
•
Granted: 1952-04-01
•
Expires: 1968-02-07
Abstract
No abstract record available.
Inventors
- 👤 Oliver R Rowe
- 👤 Schoeneck George
- 👤 William J Stolp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:27
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/74; D01H2700/00; D01H2700/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US212670A
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US313133A
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US342778A
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US414224A
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US628521A
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US739041A
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GB190315464A
Cited
US1630842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |