US3054402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental syringe
Assignee: HANAU ENGINEERING Co Inc
•
Filing: 1959-05-14
•
Granted: 1962-09-18
•
Expires: 1979-05-14
Abstract
No abstract record available.
Inventors
- 👤 Edmond J Franwick
- 👤 Richard A Beu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:20
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/02; A61C17/0217; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87096; Y10T137/87113
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
NL65611C
Cited
US807243A
Cited
US1858056A
Cited
US1898569A
Cited
US2052622A
Cited
US2187586A
Cited
US2380827A
Cited
US2272381A
Cited
US2709452A
Cited
FR1139239A
Cited
GB795283A
Cited
US2884008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |