US3400988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitized plastic wheel and bearing
Assignee: Mather Co
•
Filing: 1967-02-06
•
Granted: 1968-09-10
•
Expires: 1987-02-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond A Hudson
- 👤 David L Walchle
- 👤 James G Varney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:49
CPC Classifications
B; B60; B60B; B60B5/00; B60B5/02; B29; B29C; B29C45/00; B29C45/14; B29C45/14311; F; F16; F16C; F16C13/00; F16C13/006; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C33/201; B29L; B29L2031/00; B29L2031/32; B29L2031/322
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2760378A
Cited
US2728698A
Cited
US3056709A
Cited
US3215477A
Cited
US3198411A
Cited
US3300835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |