US2703902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
De-icer for windshield wiper blades
Assignee: Individual
•
Filing: 1952-07-30
•
Granted: 1955-03-15
•
Expires: 1972-07-30
Abstract
No abstract record available.
Inventors
- 👤 Glen E Thomas
- 👤 James E Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:12
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/38; B60S1/3803; B60S1/3805; B60S2001/3812
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1790544A
Cited
US1640887A
Cited
US1665950A
Cited
US2034880A
Cited
US2089357A
Cited
US2322312A
Cited
US2416572A
Cited
US2469791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |