US2652703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaster
Assignee: Individual
•
Filing: 1949-10-22
•
Granted: 1953-09-22
•
Expires: 1969-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jane M Keegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:31
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE81276C
Cited
US482603A
Cited
US506120A
Cited
CH18899A
Cited
AT24932B
Cited
CH53881A
Cited
US980852A
Cited
GB299659A
Cited
US1862533A
Cited
US1957263A
Cited
US2003895A
Cited
US2118326A
Cited
FR792519A
Cited
GB542788A
Cited
US2496157A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |