Patent US2663974A successfully refreshed from Google Patents.
US2663974A
Expired / Lapsed
US
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Apparatus for bending glass sheets
Assignee: Motor Products Corp
•
Filing: 1951-07-23
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Granted: 1953-12-29
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Expires: 1971-07-23
Abstract
No abstract record available.
Inventors
- 👤 Robert W Thomson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:37
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/0256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1889881A
Cited
US1999558A
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US2223123A
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US2348887A
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US2330349A
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US2370827A
Cited
US2377849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-28 | 1957-06-29 | 1957-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-28 | 1961-06-29 | 1961-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-28 | 1965-06-29 | 1965-12-29 | $7700.00 | Window Closed / Lapsed |