US2990968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coaster
Assignee: Individual
•
Filing: 1959-12-07
•
Granted: 1961-07-04
•
Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Pirman Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:38
CPC Classifications
A; A47; A47G; A47G23/00; A47G23/03; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24669; Y10T428/24686
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191611A
Cited
US1665821A
Cited
US1921682A
Cited
US1957263A
Cited
US2115654A
Cited
US2205687A
Cited
US2731056A
Cited
US2727645A
Cited
GB781338A
Cited
US2813422A
Cited
US2955722A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |