US2558244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for manufacturing screens
Assignee: Warner Bros Entertainment Inc
•
Filing: 1948-07-26
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Granted: 1951-06-26
•
Expires: 1968-07-26
Abstract
No abstract record available.
Inventors
- 👤 James A Gibbons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:43
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S359/00; Y10S359/90; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31942; Y10T428/31949; Y10T428/31953
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1008607A
Cited
US1981472A
Cited
US2140518A
Cited
US2198621A
Cited
US2223327A
Cited
US2345013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |