US2935923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control system for film printing machines and the like
Assignee: UNICORN ENGINEERING Corp
•
Filing: 1955-09-01
•
Granted: 1960-05-10
•
Expires: 1975-09-01
Abstract
No abstract record available.
Inventors
- 👤 Harlan L Baumbach
- 👤 Howard M Little
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:24
CPC Classifications
G; G03; G03B; G03B27/00; G03B27/02; G03B27/04; G03B27/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1227623A
Cited
US1577986A
Cited
US1480514A
Cited
US1463737A
Cited
US1905511A
Cited
US2243047A
Cited
US2244965A
Cited
US2331451A
Cited
US2440906A
Cited
US2573405A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |