US2618116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spinning and twisting ring
Assignee: Individual
•
Filing: 1949-02-12
•
Granted: 1952-11-18
•
Expires: 1969-02-12
Abstract
No abstract record available.
Inventors
- 👤 George F Albrecht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:59
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/52; D01H7/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US214085A
Cited
US1899635A
Cited
GB432441A
Cited
US2184899A
Cited
US2205916A
Cited
US2403255A
Cited
US2461470A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-18 | 1956-05-19 | 1956-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-18 | 1960-05-19 | 1960-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-18 | 1964-05-19 | 1964-11-18 | $7700.00 | Window Closed / Lapsed |