Patent US2244404A successfully refreshed from Google Patents.
US2999341A
Expired / Lapsed
US
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Cleaning glass supporting tables
Assignee: Libbey Owens Ford Glass Co
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Filing: 1956-10-22
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Granted: 1961-09-12
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Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Harold M Alexander
- 👤 William E Mccown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:01
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/20; B24B7/22; B24B7/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US749179A
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USRE21927E
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USRE22191E
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US1745970A
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US2455319A
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US2660318A
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US2693279A
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US2824321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |