US2684258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield wiper arm
Assignee: Productive Inventions Inc
•
Filing: 1950-03-23
•
Granted: 1954-07-20
•
Expires: 1970-03-23
Abstract
No abstract record available.
Inventors
- 👤 Fred A Krohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:14
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/3418; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32008; Y10T403/32114; Y10T403/32188; Y10T403/32254; Y10T403/32426
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US907053A
Cited
FR507602A
Cited
US2193724A
Cited
US2345910A
Cited
US2317245A
Cited
US2299280A
Cited
US2350134A
Cited
US2417991A
Cited
US2449357A
Cited
US2404523A
Cited
US2499809A
Cited
US2528678A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |