US2410131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film holding device
Assignee: Pako Corp
•
Filing: 1942-07-22
•
Granted: 1946-10-29
•
Expires: 1962-07-22
Abstract
No abstract record available.
Inventors
- 👤 Sardeson Robert
- 👤 Edward H Savela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:36
CPC Classifications
G; G03; G03D; G03D13/00; G03D13/02; G03D13/08; G03D13/12; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3467; Y10T24/3476; Y10T24/46; Y10T24/4604; Y10T24/4605; Y10T24/4629
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) | 1949-10-28 | 1950-04-29 | 1950-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-10-28 | 1954-04-29 | 1954-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-10-28 | 1958-04-29 | 1958-10-29 | $7700.00 | Window Closed / Lapsed |