Patent US2620977A successfully refreshed from Google Patents.
US3237348A
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Abrasive apparatus
Assignee: Merit Products Inc
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Filing: 1962-07-25
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Granted: 1966-03-01
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Expires: 1982-07-25
Abstract
No abstract record available.
Inventors
- 👤 Block Aleck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:16
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/02; B24D13/06; B24B; B24B19/00; B24B19/26; B24D13/04; B60; B60S; B60S3/00; B60S3/04; B60S3/06; Y; Y10; Y10S; Y10S15/00; Y10S15/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN APPARATUS FOR POLISHING THE SURFACES OF SUCCESSIVE AUTOMOBILE BODIES MOVABLE ALONG AN ASSEMBLY LINE AND DEFINED BY DIFFERENT LONGITUDINAL ZONES, THE COMBINATION OF: SUPPORT STRUCTURE ADJACENT THE ASSEMBLY LINE; A PLURALITY OF POWER DRIVEN ABRASIVE DRUMS TO PROCESS THE DIFFERENT ZONES LONGITUDINALLY OF SAID SURFACES, EACH OF SAID DRUMS BEING SHIFTABLE BETWEEN A RETRACTED, INEFFECTIVE POSITION AND AN OPERATING POSITION IN CONTACT WITH A DIFFERENT ONE OF SAID ZONES AND BEING ROTATABLE IN A PARTICULAR DIRECTION TO POLISH SAID BODY IN A INDIVIDUAL ONE OF THE ZONES AND IN THE OPERATIVE POSITION OF THE DRUMS;
Claim 2
Dependent Claim
96 words
IN APPARATUS FOR POLISHING THE SURFACES OF SUCCESSIVE AUTOMOBILE BODIES MOVABLE ALONG AN ASSEMBLY LINE AND DEFINED BY DIFFERENT LONGITUDINAL ZONES, THE COMBINATION OF: SUPPORT STRUCTURE ADJACENT THE ASSEMBLY LINE; A PLURALITY OF POWER DRIVEN ABRASIVE DRUMS TO PROCESS THE DIFFERENT ZONES LONGITUDINALLY OF SAID SURFACES, EACH OF SAID DRUMS BEING SHIFTABLE BETWEEN A RETRACTED, INEFFECTIVE POSITION AND AN OPERATING POSITION IN CONTACT WITH A DIFFERENT ONE OF SAID ZONES AND BEING ROTATABLE IN A PARTICULAR DIRECTION TO POLISH SAID BODY IN A INDIVIDUAL ONE OF THE ZONES AND IN THE OPERATIVE POSITION OF THE DRUMS;
References Cited (Backward Citations)
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Cited
US2576887A
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US2719388A
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US3035293A
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US2871632A
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US3023550A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |