Patent US3284973A successfully refreshed from Google Patents.
US3284973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement finishing apparatus
Assignee: Ames Co Inc
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Filing: 1964-04-10
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Granted: 1966-11-15
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Expires: 1984-04-10
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 |