US3440091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductive magnetic tape support
Assignee: Eastman Kodak Co
•
Filing: 1965-04-05
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Granted: 1969-04-22
•
Expires: 1985-04-05
Abstract
No abstract record available.
Inventors
- 👤 Paul J Delmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:17
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/002; H01B3/004; G; G11; G11B; G11B5/00; G11B5/62; G11B5/68; G11B5/70; G11B5/708; G11B5/73; G11B5/7368; G11B5/739; G11B5/73923; G11B5/73927; G11B5/73937; H01B1/00; H01B1/20; H01B1/24; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10T; Y10T428/00; Y10T428/26; Y10T428/263; Y10T428/264; Y10T428/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2825558A
Cited
US2819186A
Cited
US2997451A
Cited
US3007892A
Cited
US3235772A
Cited
US3293066A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |