US2594425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Removable runway
Assignee: Individual
•
Filing: 1948-01-30
•
Granted: 1952-04-29
•
Expires: 1968-01-30
Abstract
No abstract record available.
Inventors
- 👤 Greenberg Hymen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:04
CPC Classifications
A; A47; A47G; A47G27/00; A47G27/04; A47G27/0406; A47G27/0431; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44641; Y10T24/44932
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US273300A
Cited
US610807A
Cited
US1114319A
Cited
US1576527A
Cited
US1568303A
Cited
US1847373A
Cited
GB412742A
Cited
US2184569A
Cited
US2258314A
Cited
US2449904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |