US2715728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper arm assembly
Assignee: Productive Inventions Inc
•
Filing: 1951-04-17
•
Granted: 1955-08-16
•
Expires: 1971-04-17
Abstract
No abstract record available.
Inventors
- 👤 Fred A Krohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:20
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/3425; B60S1/3445; B60S1/3459; B60S1/3463; B60S1/3465; B60S1/347; B60S1/3436; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/70; Y10T403/7047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1952866A
Cited
US2229720A
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US2153522A
Cited
US2156505A
Cited
US2326402A
Cited
US2376714A
Cited
US2365251A
Cited
US2499809A
Cited
US2557755A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |