US2497532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Milkweed gin
Assignee: MILKWEED PRODUCTS DEV CORP
•
Filing: 1943-12-02
•
Granted: 1950-02-14
•
Expires: 1963-12-02
Abstract
No abstract record available.
Inventors
- 👤 Berkman Boris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:11
CPC Classifications
D; D01; D01B; D01B1/00; D01B1/02; D01B1/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US54625A
Cited
US233847A
Cited
US577115A
Cited
US1071022A
Cited
US2090955A
Cited
US2244203A
Cited
US2233156A
Cited
US2259830A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-13 | 1953-08-15 | 1954-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-13 | 1957-08-15 | 1958-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-13 | 1961-08-15 | 1962-02-14 | $7700.00 | Window Closed / Lapsed |