US2954768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puncture point
Assignee: Don Baxter Inc
•
Filing: 1954-06-14
•
Granted: 1960-10-04
•
Expires: 1974-06-14
Abstract
No abstract record available.
Inventors
- 👤 Donald A Hamilton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:58
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US648858A
Cited
US1147408A
Cited
US1333745A
Cited
US2073069A
Cited
US2634726A
Cited
US2681654A
Cited
US2746455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-10-04 | 1964-04-04 | 1964-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-04 | 1968-04-04 | 1968-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-04 | 1972-04-04 | 1972-10-04 | $7700.00 | Window Closed / Lapsed |