US2556684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pendulous bobbin holder
Assignee: Reconstruction Finance Corp
•
Filing: 1949-04-26
•
Granted: 1951-06-12
•
Expires: 1969-04-26
Abstract
No abstract record available.
Inventors
- 👤 Santis Fausto G De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:17
CPC Classifications
D; D01; D01H; D01H1/00; D01H1/14; D01H1/18; D01H1/183
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-11 | 1954-12-11 | 1955-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-11 | 1958-12-11 | 1959-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-11 | 1962-12-11 | 1963-06-12 | $7700.00 | Window Closed / Lapsed |