Patent US2690946A successfully refreshed from Google Patents.
US2690946A
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US
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Assignee: Nosco Plastics Inc
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Filing: 1951-02-28
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Granted: 1954-10-05
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Expires: 1971-02-28
Abstract
No abstract record available.
Inventors
- 👤 Bruno C Roehrl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:15
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D51/00; B65D51/24; B65D51/28; B65D51/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US559590A
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US1049903A
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US1122881A
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US1159166A
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US1446520A
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US1971307A
Cited
US2276217A
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US2396491A
Cited
US2428426A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |