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US3193084A Expired / Lapsed US ⏱️ 0.0 years remaining

Pipe handling apparatus

Assignee: Superior Oil Co
•
Filing: 1962-09-24
•
Granted: 1965-07-06
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Expires: 1982-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 Robert F Bauer
  • 👤 Russell B Thornburg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:16
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/14; E21B19/15

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 97 words
PIPE HANDLING AND STORAGE APPARATUS COMPRISING A PAIR OF ROTATABLE SHAFTS, A BELT DISPOSED AROUND THE SHAFTS TO FORM UPPER AND LOWER SECTIONS OF THE BELT, A PLURALTY OF SPACED OUTWARDLY EXTENDING PIPE RETAINERS ON THE BELT TO FORM PIPE STORAGE SPACES BETWEEN ADJACENT RETAINERS, AN OUTSIDE WEARING STRIP DISPOSED BENEATH THE LOWER SECTION OF THE BELT, A ROLLER AT THE OUTER END OF EACH PIPE RETAINER AND ADAPTED TO RIDE ON THE WEARING STRIP TO TRANSFER THE PIPE LOAD FROM THE LOWER PORTION OF THE BELT TO THE WEARING STRIP, AND MEANS FOR MOVING THE BELT.
Claim 2
Dependent Claim 97 words
PIPE HANDLING AND STORAGE APPARATUS COMPRISING A PAIR OF ROTATABLE SHAFTS, A BELT DISPOSED AROUND THE SHAFTS TO FORM UPPER AND LOWER SECTIONS OF THE BELT, A PLURALTY OF SPACED OUTWARDLY EXTENDING PIPE RETAINERS ON THE BELT TO FORM PIPE STORAGE SPACES BETWEEN ADJACENT RETAINERS, AN OUTSIDE WEARING STRIP DISPOSED BENEATH THE LOWER SECTION OF THE BELT, A ROLLER AT THE OUTER END OF EACH PIPE RETAINER AND ADAPTED TO RIDE ON THE WEARING STRIP TO TRANSFER THE PIPE LOAD FROM THE LOWER PORTION OF THE BELT TO THE WEARING STRIP, AND MEANS FOR MOVING THE BELT.

References Cited (Backward Citations)

US2253333A Cited
US807541A Cited
US2182902A Cited
US2319281A Cited
US2360209A Cited
US2631741A Cited
US2927680A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-07-05 1969-01-04 1969-07-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-07-05 1973-01-04 1973-07-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-07-05 1977-01-04 1977-07-06 $7700.00 Window Closed / Lapsed

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