Patent US2990993A successfully refreshed from Google Patents.
US2990993A
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US
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Assignee: KVP Sutherland Paper Co
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Filing: 1958-11-14
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Granted: 1961-07-04
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Expires: 1978-11-14
Abstract
No abstract record available.
Inventors
- 👤 Kenneth T Buttery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:39
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/06; B65D5/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1130818A
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US1690178A
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US1950104A
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US2138718A
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US2345646A
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US2417104A
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US2659526A
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US2764337A
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FR1105428A
Cited
US2762552A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |