Patent US2672741A successfully refreshed from Google Patents.
US2672741A
Expired / Lapsed
US
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Rotatable table caster
Assignee: Individual
•
Filing: 1952-11-06
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Granted: 1954-03-23
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Expires: 1972-11-06
Abstract
No abstract record available.
Inventors
- 👤 Bernhardt Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:04
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US76211A
Cited
US137248A
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US141390A
Cited
US429893A
Cited
US554661A
Cited
AT2381B
Cited
US982351A
Cited
US1718015A
Cited
US2091394A
Cited
US2446629A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |