US3433485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puzzle
Assignee: MADELINE S RENN
•
Filing: 1966-02-11
•
Granted: 1969-03-18
•
Expires: 1986-02-11
Abstract
No abstract record available.
Inventors
- 👤 Madeline S Renn
- 👤 Neil R Renn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:45
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/10; A63F9/0641; A63F2009/0662; A63F9/1044
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US973449A
Cited
US1518680A
Cited
US1987695A
Cited
GB607324A
Cited
US2506189A
Cited
GB633951A
Cited
US2875531A
Cited
GB1016200A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-17 | 1972-09-16 | 1973-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-17 | 1976-09-16 | 1977-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-17 | 1980-09-16 | 1981-03-18 | $7700.00 | Window Closed / Lapsed |