US3530873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid delivery device
Assignee: Individual
•
Filing: 1969-03-26
•
Granted: 1970-09-29
•
Expires: 1989-03-26
Abstract
No abstract record available.
Inventors
- 👤 Leon J Arp
- 👤 James M Varnum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:58
CPC Classifications
G; G05; G05D; G05D11/00; G05D11/001; A; A61; A61M; A61M16/00; A61M16/10; A61M16/12; B; B01; B01F; B01F35/00; B01F35/80; B01F35/88; B01F35/882; B01F35/8822; B01F35/88222; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2516; Y10T137/2531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-28 | 1974-03-30 | 1974-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-28 | 1978-03-30 | 1978-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-28 | 1982-03-30 | 1982-09-29 | $7700.00 | Window Closed / Lapsed |