Patent US1684907A successfully refreshed from Google Patents.
US1684907A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Windshield cleaner
Assignee: Individual
•
Filing: 1927-07-15
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Granted: 1928-09-18
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Expires: 1947-07-15
Abstract
No abstract record available.
Inventors
- 👤 Francis H Blake
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:09
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/06; B60S1/14; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805; B60S2001/3812; B60S2001/3824; B60S2001/3827; B60S2001/3829; B60S2001/3832; B60S2001/3836; B60S2001/3837
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1931-09-18 | 1932-03-19 | 1932-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-18 | 1936-03-19 | 1936-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-18 | 1940-03-19 | 1940-09-18 | $7700.00 | Window Closed / Lapsed |