US2819081A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exercisers
Assignee: Individual
•
Filing: 1955-10-03
•
Granted: 1958-01-07
•
Expires: 1975-10-03
Abstract
No abstract record available.
Inventors
- 👤 Touraine John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:33
CPC Classifications
A; A63; A63B; A63B21/00; A63B21/06; A63B21/0618; A63B21/40; A63B21/4027; A63B21/4033; A63B21/4035; A63B23/00; A63B23/035; A63B23/12; A63B2023/003; A63B21/4001; A63B21/4017; A63B21/4041; A63B21/4049; A63B22/00; A63B22/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US641519A
Cited
US1333005A
Cited
US1604333A
Cited
US1879401A
Cited
US2543729A
Cited
US2530921A
Cited
US2621043A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |