Patent US2480735A successfully refreshed from Google Patents.
US2480735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Car washing apparatus with pneumatic brush actuating means and gravity operated brush retracting means
Assignee: Whiting Corp
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Filing: 1945-02-19
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Granted: 1949-08-30
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Expires: 1965-02-19
Abstract
No abstract record available.
Inventors
- 👤 Louis D Holmes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:10
CPC Classifications
B; B60; B60S; B60S3/00; B60S3/04; B60S3/06; B60S3/063
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1697879A
Cited
US1740546A
Cited
US1827887A
Cited
US2025780A
Cited
US2215692A
Cited
US2242692A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |