US3271529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coded switch construction
Assignee: Individual
•
Filing: 1964-05-12
•
Granted: 1966-09-06
•
Expires: 1984-05-12
Abstract
No abstract record available.
Inventors
- 👤 Gustav J Pawelka
- 👤 Frederick H Kroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:29
CPC Classifications
A; A63; A63F; A63F3/00; A63F3/06; A63F3/0645
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN ELECTRICAL SWITCHING DEVICE COMPRISING A BASE PLATE HAVING FORMED THEREIN A PLURALITY OF LONGITUDINALLY AND TRANSVERSELY ALIGNED REGULARLY SPACED FIRST APERTURES PROVIDED WITH SLEEVES DEPENDING FROM THE PERIPHERAL EDGES OF SAID APERTURES AND INTEGRALLY FORMED WITH SAID BASE PLATE, A PLURALITY OF LONGITUDINALLY EXTENDING FIRST BARS, SUPERIMPOSED SIDE BY SIDE ON SAID BASE PLATE AND INDIVIDUALLY MOVABLE ALONG THEIR LENGTHS BETWEEN ADVANCED AND RETRACTED POSITIONS, SAID BARS HAVING FORMED THEREIN SECOND APERTURES SUBSTANTIALLY COINCIDING WITH SAID FIRST APERTURES WHEN SAID FIRST BARS ARE IN RETRACTED POSITIONS, A PLURALITY OF TRANSVERSELY EXTENDING SECOND BARS SUPERIMPOSED SIDE BY SIDE ON SAID FIRST BARS AND INDIVIDUALLY MOVABLE ALONG THE LENGTHS THEREOF BETWEEN ADVANCED AND RETRACTED POSITIONS, SAID SECOND BARS HAVING FORMED THEREIN THIRD APERTURES SUBSTANTIALLY COINCIDING WITH SAID FIRST AND SECOND APERTURES WHEN SAID SECOND BARS ARE IN RETRACTED POSITIONS TO DEFINE WITH SAID FIRST AND SECOND APER-
Claim 2
Dependent Claim
146 words
AN ELECTRICAL SWITCHING DEVICE COMPRISING A BASE PLATE HAVING FORMED THEREIN A PLURALITY OF LONGITUDINALLY AND TRANSVERSELY ALIGNED REGULARLY SPACED FIRST APERTURES PROVIDED WITH SLEEVES DEPENDING FROM THE PERIPHERAL EDGES OF SAID APERTURES AND INTEGRALLY FORMED WITH SAID BASE PLATE, A PLURALITY OF LONGITUDINALLY EXTENDING FIRST BARS, SUPERIMPOSED SIDE BY SIDE ON SAID BASE PLATE AND INDIVIDUALLY MOVABLE ALONG THEIR LENGTHS BETWEEN ADVANCED AND RETRACTED POSITIONS, SAID BARS HAVING FORMED THEREIN SECOND APERTURES SUBSTANTIALLY COINCIDING WITH SAID FIRST APERTURES WHEN SAID FIRST BARS ARE IN RETRACTED POSITIONS, A PLURALITY OF TRANSVERSELY EXTENDING SECOND BARS SUPERIMPOSED SIDE BY SIDE ON SAID FIRST BARS AND INDIVIDUALLY MOVABLE ALONG THE LENGTHS THEREOF BETWEEN ADVANCED AND RETRACTED POSITIONS, SAID SECOND BARS HAVING FORMED THEREIN THIRD APERTURES SUBSTANTIALLY COINCIDING WITH SAID FIRST AND SECOND APERTURES WHEN SAID SECOND BARS ARE IN RETRACTED POSITIONS TO DEFINE WITH SAID FIRST AND SECOND APER-
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |