US3354494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Window wiper mechanism
Assignee: Lockheed Martin Corp
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Filing: 1965-06-25
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Granted: 1967-11-28
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Expires: 1985-06-25
Abstract
No abstract record available.
Inventors
- 👤 Robert L Rischman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:52
CPC Classifications
B; B60; B60S; B60S1/00; B60S1/02; B60S1/04; B60S1/32; B60S1/34; B60S1/3402; B60S1/3404
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A WINDOW WIPER MECHANISM COMPRISING: A PAIR OF SHAFTS, ONE MOUNTED ADJACENT EACH END OF A WINDOW; A BAND DISPOSED ALONG EACH SIDE OF SAID WINDOW SUBSTANTIALLY AT RIGHT ANGLES TO SAID SHAFTS AND CONNECTED AT EACH OF ITS ENDS TO ONE OF SAID SHAFTS; A WIPER ELEMENT SECURED AT OPPOSITE ENDS TO SAID BANDS; A BLADE CARRIED BY SAID WIPER ELEMENT AND PROJECTING THEREFROM TO CONTACT THE WINDOW; AND A DRIVE COMMON TO BOTH OF SAID SHAFTS FOR THE ROTATION THEREOF IN UNISON PERIODICALLY IN ALTERNATE DIRECTIONS WHEREBY THE BLADE IS MOVED BACK AND FORTH ACROSS THE WINDOW.
Claim 2
Dependent Claim
99 words
A WINDOW WIPER MECHANISM COMPRISING: A PAIR OF SHAFTS, ONE MOUNTED ADJACENT EACH END OF A WINDOW; A BAND DISPOSED ALONG EACH SIDE OF SAID WINDOW SUBSTANTIALLY AT RIGHT ANGLES TO SAID SHAFTS AND CONNECTED AT EACH OF ITS ENDS TO ONE OF SAID SHAFTS; A WIPER ELEMENT SECURED AT OPPOSITE ENDS TO SAID BANDS; A BLADE CARRIED BY SAID WIPER ELEMENT AND PROJECTING THEREFROM TO CONTACT THE WINDOW; AND A DRIVE COMMON TO BOTH OF SAID SHAFTS FOR THE ROTATION THEREOF IN UNISON PERIODICALLY IN ALTERNATE DIRECTIONS WHEREBY THE BLADE IS MOVED BACK AND FORTH ACROSS THE WINDOW.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |