Patent US3011733A successfully refreshed from Google Patents.
US3011733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loose paper web handling apparatus for paper machines
Assignee: Individual
•
Filing: 1958-03-12
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Granted: 1961-12-05
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Expires: 1978-03-12
Abstract
No abstract record available.
Inventors
- 👤 Lawrence E Ford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:59
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/04; D21F5/00; D21F5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US794494A
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US793672A
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US1296392A
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US1499307A
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US1824593A
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GB318408A
Cited
US2316798A
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US2326670A
Cited
US2449234A
Cited
US2801811A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |