US2620959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transferring, spacing, and selecting device for aligning workpieces
Assignee: SWANSON TOOL AND MACHINE PRODU
•
Filing: 1947-07-18
•
Granted: 1952-12-09
•
Expires: 1967-07-18
Abstract
No abstract record available.
Inventors
- 👤 Chester O Merchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:37
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/03
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1053632A
Cited
US1171339A
Cited
US1828232A
Cited
US1924146A
Cited
US1954278A
Cited
US2142257A
Cited
US2405232A
Cited
US2432449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |