Patent US2550075A successfully refreshed from Google Patents.
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
2026-11-08 13:02
CPC Classifications
A; A47; A47G; A47G19/00; A47G19/22; A47G19/2283
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |