US2798487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Syringe assembly
Assignee: Becton Dickinson and Co
•
Filing: 1952-05-09
•
Granted: 1957-07-09
•
Expires: 1972-05-09
Abstract
No abstract record available.
Inventors
- 👤 Garwood W Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:06
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/178; A61M5/28; A61M5/31; A61M5/32; A61M5/34; A61M5/343
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US657440A
Cited
US1143855A
Cited
US1948982A
Cited
FR957829A
Cited
US2490552A
Cited
US2551414A
Cited
US2538391A
Cited
US2604095A
Cited
US2666434A
Cited
US2693803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |