Patent US3053309A successfully refreshed from Google Patents.
US3053309A
Expired / Lapsed
US
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Corrugating flute contour
Assignee: S&S Corrugated Paper Machinery Co Inc
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Filing: 1958-07-21
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Granted: 1962-09-11
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Harry W Wilson
- 👤 Lawrence J Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:57
CPC Classifications
B; B31; B31F; B31F1/00; B31F1/20; B31F1/24; B31F1/26; B31F1/28; B31F1/2845; B31F1/2863; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE24120E
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US1186997A
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US1534299A
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US1971667A
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US2059292A
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US2045384A
Cited
US2219077A
Cited
US2553017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-10 | 1966-03-12 | 1966-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-10 | 1970-03-12 | 1970-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-10 | 1974-03-12 | 1974-09-11 | $7700.00 | Window Closed / Lapsed |