US3074089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact machine
Assignee: Brown Brockmeyer Co
•
Filing: 1961-05-12
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Granted: 1963-01-22
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Expires: 1981-05-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Steffen S Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:03
CPC Classifications
A; A47; A47L; A47L11/00; A47L11/40; A47L11/4063; A47L11/4069; A47L11/02; A47L11/10; A47L11/14; A47L11/16; A47L11/162; A47L11/1625; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19684
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A FLOOR MACHINE, THE COMBINATION OF A SINGLEPHASE ALTERNATING CURRENT MOTOR POSITIONED ON A GEAR MECHANISM FOR ACTUATING THE SAME, A ROTATABLE CASING PROVIDED WITH GEAR TEETH AND DRIVEN BY SAID GEAR MECHANISM, A FLOOR-WORKING TOOL DETACHABLY SECURED TO SAID CASING, THE SHAFT OF SAID MOTOR PASSING THROUGH SAID GEAR MECHANISM FOR DRIVING SAID TOOL THROUGH THE CASING, A DEVICE FOR PHASE-SPLITTING THE CURRENT SUPPLIED TO THE MOTOR AT THE START, AND MEANS RESPONSIVE TO THE SPEED OF SAID SHAFT FOR OPERATING THE PHASE-SPLITTING DEVICE, A REMOVABLE COVER FOR THE UPPER END OF THE MOTOR, SAID LAST-MENTIONED MEANS BEING POSITIONED BETWEEN THE MOTOR AND SAID COVER.
Claim 2
Dependent Claim
107 words
IN A FLOOR MACHINE, THE COMBINATION OF A SINGLEPHASE ALTERNATING CURRENT MOTOR POSITIONED ON A GEAR MECHANISM FOR ACTUATING THE SAME, A ROTATABLE CASING PROVIDED WITH GEAR TEETH AND DRIVEN BY SAID GEAR MECHANISM, A FLOOR-WORKING TOOL DETACHABLY SECURED TO SAID CASING, THE SHAFT OF SAID MOTOR PASSING THROUGH SAID GEAR MECHANISM FOR DRIVING SAID TOOL THROUGH THE CASING, A DEVICE FOR PHASE-SPLITTING THE CURRENT SUPPLIED TO THE MOTOR AT THE START, AND MEANS RESPONSIVE TO THE SPEED OF SAID SHAFT FOR OPERATING THE PHASE-SPLITTING DEVICE, A REMOVABLE COVER FOR THE UPPER END OF THE MOTOR, SAID LAST-MENTIONED MEANS BEING POSITIONED BETWEEN THE MOTOR AND SAID COVER.
References Cited (Backward Citations)
US1011954A
Cited
US1487466A
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US2527657A
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US2683228A
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US2817977A
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US2972688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |