US3498323A
Expired / Lapsed
US
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Retractable nozzle
Assignee: Howe Baker Engineers LLC
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Filing: 1967-11-09
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Granted: 1970-03-03
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Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 Edward Rahm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:22
CPC Classifications
F; F27; F27D; F27D3/00; F27D3/16; B; B01; B01J; B01J19/00; B01J19/0053; B01J19/006; B01J19/0073; B01J19/26; C; C10; C10G; C10G9/00; C10G9/34; C10G9/36; C10G9/38; F16; F16K; F16K3/00; F16K3/02; F23; F23C; F23C5/00; F23C5/02; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/0015; B01J2219/00155; B01J2219/00157; B01J2219/00761; B01J2219/00763; B01J2219/00765; B01J2219/0077; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348; Y10T137/86372
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |