US2640659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film attaching means for reels
Assignee: Individual
•
Filing: 1950-03-04
•
Granted: 1953-06-02
•
Expires: 1970-03-04
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Biko
- 👤 Daniel S Deutsch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:31
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/326
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1172349A
Cited
GB191514285A
Cited
US1871234A
Cited
US1899279A
Cited
US2107530A
Cited
US2290853A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-01 | 1956-12-01 | 1957-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-01 | 1960-12-01 | 1961-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-01 | 1964-12-01 | 1965-06-02 | $7700.00 | Window Closed / Lapsed |