Patent EP1087541A2 successfully refreshed from Google Patents.
Patent US2620710A successfully refreshed from Google Patents.
US2620710A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine tool
Assignee: Giddings and Lewis LLC
•
Filing: 1947-09-04
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Granted: 1952-12-09
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Expires: 1967-09-04
Abstract
No abstract record available.
Inventors
- 👤 Keith F Gallimore
- 👤 Garner H Schurger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:32
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/70; B23B; B23B39/00; B23B39/02; Y; Y10; Y10T; Y10T408/00; Y10T408/91; Y10T409/00; Y10T409/30; Y10T409/30784; Y10T409/308456; Y10T409/308568; Y10T409/309576; Y10T409/309912
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US815697A
Cited
US1188339A
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US1369749A
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US1800267A
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US1882158A
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US1932984A
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US2218469A
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 |