US3320698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for opening and closing, respectively, windows and hatches on boats
Assignee: Individual
•
Filing: 1965-07-09
•
Granted: 1967-05-23
•
Expires: 1985-07-09
Abstract
No abstract record available.
Inventors
- 👤 Hummel Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 08:48
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/34; B; B63; B63B; B63B19/00; B63B2019/0007; B63B2019/0038; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/624; E05Y2900/00; E05Y2900/50; E05Y2900/514; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18576
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
AN APPARATUS FOR OPENING AND CLOSING, RESPECTIVELY, WINDOWS ON BOATS, COMPRISING: A HOUSING, AN ELECTRIC MOTOR DISPOSED IN SAID HOUSING AND HAVING A DRIVE SHAFT, A THREADED SHAFT ROTATABLY AND PIVOTALLY, BUT AXIALLY IMMOVABLY MOUNTED AT ONE END OF SAID DRIVE SHAFT IN SAID HOUSING, MEANS FOR OPERATIVELY CONNECTING SAID DRIVE SHAFT WITH SAID THREADED SHAFT, AN OPERATING NUT AXIALLY MOVABLE ALONG, BUT NONROTATABLY ENGAGING SAID THREADED SHAFT, A LINKAGE PIVOTALLY CONNECTED WITH SAID NUT AT ONE END AND PIVOTALLY MOUNTED TO SAID HOUSING AT THE OTHER END, AT LEAST ONE LEVER MEANS PIVOTALLY CONNECTED AT ONE END THEREOF TO A WINDOW AND OPERATIVELY CONNECTED AT THE OTHER END THEREOF TO SAID OTHER END OF SAID LINKAGE, AND; A DOUBLE SWITCH IN THE CIRCUIT OF SAID ELECTRIC MOTOR AND TURNING SAID MOTOR IN ANY OF TWO DIRECTIONS, DEPENDING UPON THE OPERATIVE POSITION OF SAID SWITCH.
Claim 2
Independent Claim
145 words
AN APPARATUS FOR OPENING AND CLOSING, RESPECTIVELY, WINDOWS ON BOATS, COMPRISING: A HOUSING, AN ELECTRIC MOTOR DISPOSED IN SAID HOUSING AND HAVING A DRIVE SHAFT, A THREADED SHAFT ROTATABLY AND PIVOTALLY, BUT AXIALLY IMMOVABLY MOUNTED AT ONE END OF SAID DRIVE SHAFT IN SAID HOUSING, MEANS FOR OPERATIVELY CONNECTING SAID DRIVE SHAFT WITH SAID THREADED SHAFT, AN OPERATING NUT AXIALLY MOVABLE ALONG, BUT NONROTATABLY ENGAGING SAID THREADED SHAFT, A LINKAGE PIVOTALLY CONNECTED WITH SAID NUT AT ONE END AND PIVOTALLY MOUNTED TO SAID HOUSING AT THE OTHER END, AT LEAST ONE LEVER MEANS PIVOTALLY CONNECTED AT ONE END THEREOF TO A WINDOW AND OPERATIVELY CONNECTED AT THE OTHER END THEREOF TO SAID OTHER END OF SAID LINKAGE, AND; A DOUBLE SWITCH IN THE CIRCUIT OF SAID ELECTRIC MOTOR AND TURNING SAID MOTOR IN ANY OF TWO DIRECTIONS, DEPENDING UPON THE OPERATIVE POSITION OF SAID SWITCH.
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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |