US2453771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exerciser
Assignee: Individual
•
Filing: 1946-11-29
•
Granted: 1948-11-16
•
Expires: 1966-11-29
Abstract
No abstract record available.
Inventors
- 👤 White Pauline Arnold
- 👤 White Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:14
CPC Classifications
A; A61; A61H; A61H1/00; A61H1/02; A63; A63B; A63B22/00; A63B22/0002; A63B22/001; A63B22/0015; A63B22/06; A63B22/0664; A63B22/0605; A63B2022/0611; A63B2022/0623; A63B2022/067; A63B2208/00; A63B2208/02; A63B2208/0228; A63B2208/0233; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US964898A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-11-16 | 1952-05-17 | 1952-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-11-16 | 1956-05-17 | 1956-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-11-16 | 1960-05-17 | 1960-11-16 | $7700.00 | Window Closed / Lapsed |