US3274368A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated distributor brush
Assignee: AT&T Teletype Corp
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Filing: 1964-12-29
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Granted: 1966-09-20
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Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 Boo Jerome L De
- 👤 Geoffrey B Lutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:02
CPC Classifications
H; H04; H04L; H04L13/00; H04L13/02; H04L13/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49119
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
THE COMBINATION WITH A PLURALTIY OF BRUSH CONTACTING SURFACES, OF A DISTRIBUTOR BRUSH COMPRISING: A FIRST LAYER OF GENERALLY L-SHAPED, RESILIENT WIRES POSITIONED ADJACENT EACH OTHER IN A SUBSTANTIALLY STRAIGHT ROW; A SECOND LAYER OF GENERALLY L-SHAPED, RESILIENT WIRES POSITIONED ADJACENT EACH OTHER IN A SUBSTANTIALLY STRAIGHT ROW, AND MEANS HOLDING THE LAYERS IN A POSITION WHERE THEY BEAR UPON THE CONTACTING SURFACES WITH SUFFICIENT FORCE TO FLEX ALL OF THE WIRES OF BOTH LAYERS AND TO MERGE THE TWO LAYERS INTO A SINGLE ROW OF WIRES.
Claim 2
Dependent Claim
87 words
THE COMBINATION WITH A PLURALTIY OF BRUSH CONTACTING SURFACES, OF A DISTRIBUTOR BRUSH COMPRISING: A FIRST LAYER OF GENERALLY L-SHAPED, RESILIENT WIRES POSITIONED ADJACENT EACH OTHER IN A SUBSTANTIALLY STRAIGHT ROW; A SECOND LAYER OF GENERALLY L-SHAPED, RESILIENT WIRES POSITIONED ADJACENT EACH OTHER IN A SUBSTANTIALLY STRAIGHT ROW, AND MEANS HOLDING THE LAYERS IN A POSITION WHERE THEY BEAR UPON THE CONTACTING SURFACES WITH SUFFICIENT FORCE TO FLEX ALL OF THE WIRES OF BOTH LAYERS AND TO MERGE THE TWO LAYERS INTO A SINGLE ROW OF WIRES.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |