US3064693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device for switching-off the feed of a coiled spring in a machine for the production of sprung structures
Assignee: Individual
•
Filing: 1957-11-25
•
Granted: 1962-11-20
•
Expires: 1977-11-25
Abstract
No abstract record available.
Inventors
- 👤 Spuhl Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:53
CPC Classifications
B; B21; B21F; B21F33/00; B21F33/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1812122A
Cited
US1814890A
Cited
US2172483A
Cited
US2262994A
Cited
US2470812A
Cited
US2548542A
Cited
US2694418A
Cited
US2649120A
Cited
US2663038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |