US2949203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pilot tube
Assignee: Abbott Laboratories
•
Filing: 1958-12-22
•
Granted: 1960-08-16
•
Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Berg Robert Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; A61J1/12; Y; Y10; Y10S; Y10S215/00; Y10S215/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US401760A
Cited
US1169198A
Cited
US1221572A
Cited
US2274973A
Cited
US2340719A
Cited
GB649541A
Cited
CH276582A
Cited
US2680497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |