US3404879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material handling apparatus and method
Assignee: Burris Manufacturing Co
•
Filing: 1966-07-01
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Granted: 1968-10-08
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Expires: 1986-07-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Burris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:27
CPC Classifications
A; A41; A41H; A41H43/00; A41H43/005; Y; Y10; Y10S; Y10S83/00; Y10S83/929; Y10S83/936; Y10S83/937; Y10T; Y10T83/00; Y10T83/889; Y10T83/896; Y10T83/902
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US426174A
Cited
US829527A
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US1389906A
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US1436171A
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US2633809A
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US2921688A
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US3088786A
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US3255897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |