US3453169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulator
Assignee: N R BUCK CO Inc
•
Filing: 1965-10-23
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Granted: 1969-07-01
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Norman R Buck
- 👤 Dwight D Naseth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:35
CPC Classifications
B; B32; B32B; B32B37/00; B32B37/14; B32B37/16; B32B37/22; B32B37/223; B32B37/226; B65; B65B; B65B9/00; B65B9/02; Y; Y10; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1734; Y10T156/1741
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |