Patent US2707856A successfully refreshed from Google Patents.
US2707856A
Expired / Lapsed
US
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Smoothing and polishing runners
Assignee: Libbey Owens Ford Glass Co
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Filing: 1952-03-05
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Granted: 1955-05-10
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Expires: 1972-03-05
Abstract
No abstract record available.
Inventors
- 👤 Kirkman Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:36
CPC Classifications
B; B24; B24D; B24D13/00; B24D13/14; B24D13/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US159031A
Cited
US277325A
Cited
US1688378A
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US797427A
Cited
US1622942A
Cited
US1670780A
Cited
US2083749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |