Patent US2787804A successfully refreshed from Google Patents.
US2787804A
Expired / Lapsed
US
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Caster bearing seal and damper
Assignee: Faultless Caster Corp
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Filing: 1955-03-23
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Granted: 1957-04-09
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Expires: 1975-03-23
Abstract
No abstract record available.
Inventors
- 👤 Clarence B Noelting
- 👤 John A Skupas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:31
CPC Classifications
B; B60; B60B; B60B33/00; B60B33/0002; F; F16; F16C; F16C19/00; F16C19/02; F16C19/10; B62; B62B; B62B2301/00; B62B2301/04; B62B2301/046; F16C2326/00; F16C2326/01; F16C2326/02
Claims Analysis
Total Claims: 0
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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) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |