Patent US3284973A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3284973A Expired / Lapsed US ⏱️ 0.0 years remaining

Cement finishing apparatus

Assignee: Ames Co Inc
•
Filing: 1964-04-10
•
Granted: 1966-11-15
•
Expires: 1984-04-10
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Wilford C Ames
  • 👤 Richard W Wallen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 21:30
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/01

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 149 words
A POST ADAPTED TO BE FIXED IN A BASE MEDIUM, FOR USE IN PLURALITY TO SUPPORT A SCREED, COMPRISING: AN ELONGATED, GENERALLY-CYLINDRICAL MEMBER INCLUDING AN EXTERNALLY-THREADED SECTION THEREON, A GENERALLY-TAPERED SECTION BELOW SAID EXTERNALLY-THREADED SECTION TERMINATING IN AN INTERNALLY-THREADED END, AND A WRENCH-ENGAGING SECTION TO FACILITATE REVOLVING SAID MEMBER; A SCREED HOOK INTERNALLYTHREADED TO RECEIVE SAID THREADED SECTION OF SAID ELONGATED MEMBER AND EXTEND PERPENDICULARLY THEREFROM TO PROVIDE A HOOK TO SUPPORT SAID SCREED; SET MEANS FOR LOCKING SAID SCREED HOOK IN VARIOUS POSITIONS RELATIVE TO SAID ELONGATED MEMBER AGAINST RELATIVE ROTATION THEREBETWEEN; AN INTERNALLY-THREADED SUPPORT PLATE AFFIXED ON SAID THREADED SECTION OF SAID ELONGATED MEMBER BELOW SAID SCREED HOOK, TO ENGAGE SAID BASE MEDIUM AND SUPPORT SAID POST; AND A PARTIALLY EXTERNALLY-THREADED POINTED STUDS HAVING A SMOOTH SHANK THREADABLY ENGAGED IN THE INTERNALLY-THREADED END OF SAID ELONGATED MEMBER WHEREBY TO FACILITATE PLACING SAID POST IN SAID BASE MEDIUM.
Claim 2
Dependent Claim 149 words
A POST ADAPTED TO BE FIXED IN A BASE MEDIUM, FOR USE IN PLURALITY TO SUPPORT A SCREED, COMPRISING: AN ELONGATED, GENERALLY-CYLINDRICAL MEMBER INCLUDING AN EXTERNALLY-THREADED SECTION THEREON, A GENERALLY-TAPERED SECTION BELOW SAID EXTERNALLY-THREADED SECTION TERMINATING IN AN INTERNALLY-THREADED END, AND A WRENCH-ENGAGING SECTION TO FACILITATE REVOLVING SAID MEMBER; A SCREED HOOK INTERNALLYTHREADED TO RECEIVE SAID THREADED SECTION OF SAID ELONGATED MEMBER AND EXTEND PERPENDICULARLY THEREFROM TO PROVIDE A HOOK TO SUPPORT SAID SCREED; SET MEANS FOR LOCKING SAID SCREED HOOK IN VARIOUS POSITIONS RELATIVE TO SAID ELONGATED MEMBER AGAINST RELATIVE ROTATION THEREBETWEEN; AN INTERNALLY-THREADED SUPPORT PLATE AFFIXED ON SAID THREADED SECTION OF SAID ELONGATED MEMBER BELOW SAID SCREED HOOK, TO ENGAGE SAID BASE MEDIUM AND SUPPORT SAID POST; AND A PARTIALLY EXTERNALLY-THREADED POINTED STUDS HAVING A SMOOTH SHANK THREADABLY ENGAGED IN THE INTERNALLY-THREADED END OF SAID ELONGATED MEMBER WHEREBY TO FACILITATE PLACING SAID POST IN SAID BASE MEDIUM.

References Cited (Backward Citations)

US1655123A Cited
US1772708A Cited
US1788481A Cited
US1852673A Cited
US1988746A Cited
US2224273A Cited
US2227713A Cited
US2319526A Cited
US2373284A Cited
US2420458A Cited
US2461639A Cited
US2551826A Cited
US2823539A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-11-14 1970-05-16 1970-11-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-11-14 1974-05-16 1974-11-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-11-14 1978-05-16 1978-11-15 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag