Patent US2859908A successfully refreshed from Google Patents.
US2859908A
Expired / Lapsed
US
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Aspirating device
Assignee: Specialties Development Corp
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Filing: 1955-05-10
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Granted: 1958-11-11
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Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Neigel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:43
CPC Classifications
B; B66; B66F; B66F3/00; B66F3/24; B66F3/25; B66F3/35; F; F04; F04F; F04F5/00; F04F5/14; F04F5/24; F04F5/28; F04F5/32; F04F5/44; F04F5/46; F04F5/461
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) | 1961-11-10 | 1962-05-12 | 1962-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-10 | 1966-05-12 | 1966-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-10 | 1970-05-12 | 1970-11-11 | $7700.00 | Window Closed / Lapsed |