US3368558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two compartment cartridge
Assignee: Sarnoff Corp
•
Filing: 1964-08-21
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Granted: 1968-02-13
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Expires: 1984-08-21
Abstract
No abstract record available.
Inventors
- 👤 Stanley J Sarnoff
- 👤 John W Balenger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:46
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/2455; A61M5/2466; A61M5/31; A61M5/32; A61M5/3287
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) | 1971-02-12 | 1971-08-14 | 1972-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-12 | 1975-08-14 | 1976-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-12 | 1979-08-14 | 1980-02-13 | $7700.00 | Window Closed / Lapsed |