Patent US2715966A successfully refreshed from Google Patents.
US2715966A
Expired / Lapsed
US
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Revolving ball conveyor and supporting device
Assignee: Individual
•
Filing: 1951-09-10
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Granted: 1955-08-23
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Expires: 1971-09-10
Abstract
No abstract record available.
Inventors
- 👤 Max C Tieck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:48
CPC Classifications
A; A47; A47H; A47H15/00; A47H15/02; A47H1/00; A47H1/04; A47H2001/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US555603A
Cited
US581621A
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US640723A
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US712163A
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US1230440A
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US1249972A
Cited
US1389538A
Cited
US1598479A
Cited
US1650496A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-22 | 1959-02-21 | 1959-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-22 | 1963-02-21 | 1963-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-22 | 1967-02-21 | 1967-08-23 | $7700.00 | Window Closed / Lapsed |