US2136019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Whipping roller coaster
Assignee: Individual
•
Filing: 1936-10-17
•
Granted: 1938-11-08
•
Expires: 1956-10-17
Abstract
No abstract record available.
Inventors
- 👤 Pfau Anton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:12
CPC Classifications
B; B62; B62B; B62B15/00; B62B15/008; A; A63; A63C; A63C17/00; A63C17/01; A63C17/011; A63C17/013; A63C17/26; A63C17/265; A63C17/0033; A63C17/014; A63C17/015; A63C17/14; A63C17/1436; A63C2017/1472; A63C2203/00; A63C2203/52; B62B13/00; B62B13/02; B62B13/06; B62B13/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1941-11-07 | 1942-05-09 | 1942-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-07 | 1946-05-09 | 1946-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-07 | 1950-05-09 | 1950-11-08 | $7700.00 | Window Closed / Lapsed |