US3403795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unloading mechanism for a storage structure
Assignee: CST Storage Inc
•
Filing: 1965-10-23
•
Granted: 1968-10-01
•
Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 John W Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2018
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2864655A
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US2981402A
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US3035718A
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US3233755A
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US3254777A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |