US2939145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eye setting machine
Assignee: Industrial Development Corp
•
Filing: 1956-05-28
•
Granted: 1960-06-07
•
Expires: 1976-05-28
Abstract
No abstract record available.
Inventors
- 👤 Edgar C Lundeberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:47
CPC Classifications
A; A41; A41H; A41H37/00; A41H37/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US665092A
Cited
US1112704A
Cited
US1203554A
Cited
US1859101A
Cited
US2208759A
Cited
US2718004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |