Patent US2635401A successfully refreshed from Google Patents.
US2635401A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for forming rolls from web stock
Assignee: Sackner Products Inc
•
Filing: 1949-04-22
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Granted: 1953-04-21
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Expires: 1969-04-22
Abstract
No abstract record available.
Inventors
- 👤 Wayne S Cook
- 👤 Robinson John Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:23
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/22; B65H19/2276; B65H19/2238
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US553045A
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US1400827A
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US1006009A
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US999352A
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US1445022A
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US1601784A
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US1714816A
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US1642681A
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US2144264A
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US2353821A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-04-20 | 1956-10-20 | 1957-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-04-20 | 1960-10-20 | 1961-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-04-20 | 1964-10-20 | 1965-04-21 | $7700.00 | Window Closed / Lapsed |