US2984943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of heating and bending glass sheets
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1956-02-29
•
Granted: 1961-05-23
•
Expires: 1976-02-29
Abstract
No abstract record available.
Inventors
- 👤 White Gerald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:32
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027; C03B23/0258; C03B29/00; C03B29/04; C03B29/06; C03B29/08
Claims Analysis
Total Claims: 0
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US2766555A
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US2693334A
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US2720729A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |