Patent US3516223A successfully refreshed from Google Patents.
US3516223A
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Apparatus for managing and using volatile substances
Assignee: HW Andersen Products Inc
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Filing: 1966-06-30
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Granted: 1970-06-23
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Expires: 1986-06-30
Abstract
No abstract record available.
Inventors
- 👤 Harold Willids Andersen
- 👤 Harold W Andersen
- 👤 Charles H Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:58
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/38; B29C65/18; B29C65/22; B29C65/221; B29C65/222; B29C65/74; B29C65/745; B29C65/7451; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/80; B29C66/81; B29C66/814; B29C66/8141; B29C66/81427; B29C66/81431; B29C66/82; B29C66/822; B29C66/8221; B29C66/8226; B29C66/8227; B29C66/83; B29C66/832; B29C66/8324; B29C66/84; B29C66/849; B65; B65B; B65B31/00; B65B31/04; B65B31/06; B65B55/00; B65B55/02; B65B55/12; B65B55/18; B29C66/001; B29C66/0012; B29C66/0014; B29C66/00145; B29C66/70; B29C66/71; B29L; B29L2031/00; B29L2031/712; B29L2031/7128
Claims Analysis
Total Claims: 0
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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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |