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Patent US3109900A successfully refreshed from Google Patents.
US3109900A
Expired / Lapsed
US
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Protective guard for actuating devices
Assignee: Individual
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Filing: 1961-07-28
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Granted: 1963-11-05
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Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Harry B Van Ilook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:21
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0014; Y; Y10; Y10S; Y10S292/00; Y10S292/13; Y10S292/65; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0997
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
A SWITCH GUARD FOR A MANUALLY OPERABLE SWITCH MEMBER MOUNTED UPON AND EXTENDING OUTWARDLY OF A WALL SURFACE, COMPRISING A LONG, RELATIVELY NARROW TUBE, ADAPTED TO RECEIVE AN ADULT HUMAN FINGER; ONE END OF THE TUBE BEING OPEN AND THE OPPOSITE END THEREOF BEING CLOSED; AN AXIALLY ELONGATED, SWITCH MEMBER RECEIVING OPENING FORMED IN THE TUBE WALL NEAR THE CLOSED END THEREOF AND BEING OF A SIZE AND SHAPE TO LOOSELY RECEIVE A MOVABLE SWITCH MEMBER THERETHROUGH AND PERMIT SWITCHING MOVEMENT OF THE SWITCH MEMBER RELATIVE TO THE TUBE; AND MEANS FOR SECURING THE TUBE AXIALLY PARALLEL TO AND CLOSELY ADJACENT THE WALL SURFACE AT A LOCATION WHEREIN THE SWITCH MEMBER EXTENDS THROUGH SAID SWITCH RECEIVING OPENING AND IS CONFINED WITHIN THE TUBE, THE TUBE BEING OTHERWISE CLOSED TO ACCESS TO THE SWITCH SO THAT ACCESS TO THE SWITCH IS PROVIDED ONLY THROUGH ITS OPEN END.
Claim 2
Dependent Claim
146 words
A SWITCH GUARD FOR A MANUALLY OPERABLE SWITCH MEMBER MOUNTED UPON AND EXTENDING OUTWARDLY OF A WALL SURFACE, COMPRISING A LONG, RELATIVELY NARROW TUBE, ADAPTED TO RECEIVE AN ADULT HUMAN FINGER; ONE END OF THE TUBE BEING OPEN AND THE OPPOSITE END THEREOF BEING CLOSED; AN AXIALLY ELONGATED, SWITCH MEMBER RECEIVING OPENING FORMED IN THE TUBE WALL NEAR THE CLOSED END THEREOF AND BEING OF A SIZE AND SHAPE TO LOOSELY RECEIVE A MOVABLE SWITCH MEMBER THERETHROUGH AND PERMIT SWITCHING MOVEMENT OF THE SWITCH MEMBER RELATIVE TO THE TUBE; AND MEANS FOR SECURING THE TUBE AXIALLY PARALLEL TO AND CLOSELY ADJACENT THE WALL SURFACE AT A LOCATION WHEREIN THE SWITCH MEMBER EXTENDS THROUGH SAID SWITCH RECEIVING OPENING AND IS CONFINED WITHIN THE TUBE, THE TUBE BEING OTHERWISE CLOSED TO ACCESS TO THE SWITCH SO THAT ACCESS TO THE SWITCH IS PROVIDED ONLY THROUGH ITS OPEN END.
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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |