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US2642612A
Expired / Lapsed
US
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Windshield wiper
Assignee: Productive Inventions Inc
•
Filing: 1950-05-05
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Granted: 1953-06-23
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Expires: 1970-05-05
Abstract
No abstract record available.
Inventors
- 👤 Theodore J Smulski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:38
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/3402; B60S1/3406; B60S1/3404; B60S1/36; B60S1/40; B60S1/38; B60S1/3848; B60S1/3849
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1318839A
Cited
US1253377A
Cited
US1576381A
Cited
US1571516A
Cited
US1703181A
Cited
US2376012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-22 | 1956-12-22 | 1957-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-22 | 1960-12-22 | 1961-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-22 | 1964-12-22 | 1965-06-23 | $7700.00 | Window Closed / Lapsed |