Patent US3245273A successfully refreshed from Google Patents.
US3245273A
Expired / Lapsed
US
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Stamped pulley construction
Assignee: Petro Tex Chemical Corp
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Filing: 1964-02-24
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Granted: 1966-04-12
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Harry O Loper
- 👤 George T Timoff
- 👤 Henry J Anderson
- 👤 Jr Edward F Schlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:25
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; F16H55/44; F16B; F16B2200/00; F16B2200/40; Y; Y10; Y10S; Y10S474/00; Y10S474/902; Y10T; Y10T29/00; Y10T29/49; Y10T29/49453; Y10T29/49455; Y10T29/49456; Y10T29/49826; Y10T29/49945
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A V-BELT PULLEY CONSTRUCTION COMPRISING A PAIR OF OPPOSED DISHED WASHER PULLEY HALVES HAVING V-BELT GROOVES FORMING EXTENSIONS AT THE OUTER PERIMETER, SAID PULLEY HALVES HAVING CONFIGURATIONS WITH FREE-FORM AXIAL DISPLACEMENT OF RADIALLY SPACED ENGAGING PORTIONS TO PROVIDE SEPARATION RESISTANT PRE-LOAD PRESSURE ENGAGEMENT AT THE ROOT OF THE PULLEY GROOVE WHEN THE RADIALLY INNERMOST PORTIONS OF SAID PULLEY HALVES ARE ASSEMBLED TOGETHER, AND MEANS HOLDING SAID RADIALLY INNERMOST PORTIONS SPRUNG TOGETHER IN ASSEMBLED RELATIONSHIP.
Claim 2
Dependent Claim
74 words
A V-BELT PULLEY CONSTRUCTION COMPRISING A PAIR OF OPPOSED DISHED WASHER PULLEY HALVES HAVING V-BELT GROOVES FORMING EXTENSIONS AT THE OUTER PERIMETER, SAID PULLEY HALVES HAVING CONFIGURATIONS WITH FREE-FORM AXIAL DISPLACEMENT OF RADIALLY SPACED ENGAGING PORTIONS TO PROVIDE SEPARATION RESISTANT PRE-LOAD PRESSURE ENGAGEMENT AT THE ROOT OF THE PULLEY GROOVE WHEN THE RADIALLY INNERMOST PORTIONS OF SAID PULLEY HALVES ARE ASSEMBLED TOGETHER, AND MEANS HOLDING SAID RADIALLY INNERMOST PORTIONS SPRUNG TOGETHER IN ASSEMBLED RELATIONSHIP.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |