US2550075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Saucer
Assignee: Individual
•
Filing: 1948-02-12
•
Granted: 1951-04-24
•
Expires: 1968-02-12
Abstract
No abstract record available.
Inventors
- 👤 William H Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:39
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2283
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE75530C
Cited
US424028A
Cited
GB190015022A
Cited
US715828A
Cited
GB190310896A
Cited
FR389646A
Cited
US1666389A
Cited
GB304025A
Cited
US1862533A
Cited
GB525264A
Cited
US2427487A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |