US2754715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Row indicator for accordions
Assignee: Individual
•
Filing: 1952-01-08
•
Granted: 1956-07-17
•
Expires: 1972-01-08
Abstract
No abstract record available.
Inventors
- 👤 Ruben Charlotte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:38
CPC Classifications
G; G10; G10D; G10D11/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US276682A
Cited
US397877A
Cited
US590631A
Cited
DE379706C
Cited
US961120A
Cited
US1173640A
Cited
US1246186A
Cited
US1172931A
Cited
US1613400A
Cited
US1696901A
Cited
GB398985A
Cited
US2257060A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-17 | 1960-01-16 | 1960-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-17 | 1964-01-16 | 1964-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-17 | 1968-01-16 | 1968-07-17 | $7700.00 | Window Closed / Lapsed |