US1994913A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film measuring and splicing machine
Assignee: Bell and Howell Co
•
Filing: 1931-08-25
•
Granted: 1935-03-19
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Expires: 1951-08-25
Abstract
No abstract record available.
Inventors
- 👤 Albert S Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:20
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/43; Y; Y10; Y10S; Y10S83/00; Y10S83/917; Y10T; Y10T83/00; Y10T83/444; Y10T83/4491; Y10T83/828; Y10T83/849; Y10T83/865; Y10T83/869; Y10T83/8821; Y10T83/8841; Y10T83/885
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-03-18 | 1938-09-17 | 1939-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-18 | 1942-09-17 | 1943-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-18 | 1946-09-17 | 1947-03-19 | $7700.00 | Window Closed / Lapsed |