US2599760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible spring transmitter
Assignee: PALACE Corp
•
Filing: 1948-06-30
•
Granted: 1952-06-10
•
Expires: 1968-06-30
Abstract
No abstract record available.
Inventors
- 👤 Frank D Hanson
- 👤 Henry R Parker
- 👤 Lyndon L Wagener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:03
CPC Classifications
E; E05; E05F; E05F11/00; E05F11/02; E05F11/04; E05F11/06; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/55; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/1967; Y10T74/19949; Y10T74/19963; Y10T74/19967; Y10T74/20; Y10T74/20396; Y10T74/20402; Y10T74/20456
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-10 | 1955-12-10 | 1956-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-10 | 1959-12-10 | 1960-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-10 | 1963-12-10 | 1964-06-10 | $7700.00 | Window Closed / Lapsed |