US2720880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable cartridge syringe
Assignee: Bishop & Co Platinum Works J
•
Filing: 1954-07-09
•
Granted: 1955-10-18
•
Expires: 1974-07-09
Abstract
No abstract record available.
Inventors
- 👤 Seldon V Whitaker
- 👤 Philip A Derham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:07
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/24; A61M5/31; A61M5/3129; A61M5/3135; A61M2005/2403; A61M2005/2407; A61M2005/2433; A61M2005/2437; A61M2005/244; A61M5/315; A61M5/31501; A61M5/31505; A61M2005/31506
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1958-10-17 | 1959-04-18 | 1959-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-17 | 1963-04-18 | 1963-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-17 | 1967-04-18 | 1967-10-18 | $7700.00 | Window Closed / Lapsed |