US2920423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for bending glass sheets
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1955-10-07
•
Granted: 1960-01-12
•
Expires: 1975-10-07
Abstract
No abstract record available.
Inventors
- 👤 Frank J Carson
- 👤 Leslie H Laine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:50
CPC Classifications
C; C03; C03B; C03B23/00; C03B23/02; C03B23/023; C03B23/025; C03B23/027
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2736140A
Cited
US2348278A
Cited
US2608030A
Cited
US2518951A
Cited
US2695476A
Cited
US2608799A
Cited
US2744359A
Cited
GB710393A
Cited
US2691854A
Cited
GB727200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-11 | 1963-07-13 | 1964-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-11 | 1967-07-13 | 1968-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-11 | 1971-07-13 | 1972-01-12 | $7700.00 | Window Closed / Lapsed |