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US3267705A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatic roughening machines

Assignee: United Shoe Machinery Corp
•
Filing: 1964-03-16
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Granted: 1966-08-23
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Expires: 1984-03-16
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Robert C Simmonds
  • 👤 Paul G Rumball
  • 👤 Robert V Brophy

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 13:05
CPC Classifications
A; A43; A43D; A43D37/00

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 57 words
AN AUTOMATIC ROUGHING MACHINE COMPRISING A ROUGHENING DRUM, SAID DRUM COMPRISING ROTATABLE CUTTER DISCS AND NON-ROTATING GAUGE VANES, MEANS FOR SELECTIVELY VARYING THE HEIGHTWISE DISTANCE BETWEEN THE WORK-ENGAGING EDGES OF SAID DISCS AND SAID VANES, MEANS FOR ROTATING THE CUTTER DISCS, MEANS FOR RECIPROCATING THE DRUM, AND MEANS FOR CAUSING RELATIVE MOVEMENT OF THE DRUM IN A
Claim 2
Dependent Claim 57 words
AN AUTOMATIC ROUGHING MACHINE COMPRISING A ROUGHENING DRUM, SAID DRUM COMPRISING ROTATABLE CUTTER DISCS AND NON-ROTATING GAUGE VANES, MEANS FOR SELECTIVELY VARYING THE HEIGHTWISE DISTANCE BETWEEN THE WORK-ENGAGING EDGES OF SAID DISCS AND SAID VANES, MEANS FOR ROTATING THE CUTTER DISCS, MEANS FOR RECIPROCATING THE DRUM, AND MEANS FOR CAUSING RELATIVE MOVEMENT OF THE DRUM IN A

References Cited (Backward Citations)

US1922498A Cited
US2606404A Cited
US2544880A Cited
US2741073A Cited
US2873557A Cited
US2752772A Cited
US2821813A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-08-22 1970-02-21 1970-08-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-08-22 1974-02-21 1974-08-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-08-22 1978-02-21 1978-08-23 $7700.00 Window Closed / Lapsed

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