Patent US2626422A successfully refreshed from Google Patents.
US2626422A
Expired / Lapsed
US
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Lateral stretching of thermoelastic films
Assignee: Wingfoot Corp
•
Filing: 1950-02-28
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Granted: 1953-01-27
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Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Lammertse Meindert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:39
CPC Classifications
B; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1697830A
Cited
US1808525A
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GB351656A
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US1814652A
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US1997442A
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US2064993A
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US2328843A
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US2393191A
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US2490781A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-01-27 | 1956-07-28 | 1957-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-27 | 1960-07-28 | 1961-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-27 | 1964-07-28 | 1965-01-27 | $7700.00 | Window Closed / Lapsed |