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US3420331A
Expired / Lapsed
US
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Segmented mechanical proboscis
Assignee: Individual
•
Filing: 1966-12-12
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Granted: 1969-01-07
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Expires: 1986-12-12
Abstract
No abstract record available.
Inventors
- 👤 Ralph Minnite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 01:25
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/01; F16L3/015; B; B66; B66F; B66F11/00; B66F11/04; B66F11/044; B66F13/00; B66F13/005
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) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |