US2660738A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal-working machine
Assignee: Landis Machine Co
•
Filing: 1947-10-15
•
Granted: 1953-12-01
•
Expires: 1967-10-15
Abstract
No abstract record available.
Inventors
- 👤 George E Hieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:23
CPC Classifications
B; B23; B23G; B23G1/00; B23G1/22; Y; Y10; Y10T; Y10T408/00; Y10T408/10; Y10T408/16; Y10T408/17; Y10T408/172; Y10T408/52; Y10T408/54; Y10T408/55; Y10T408/563; Y10T408/5633; Y10T408/56343
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US252068A
Cited
US377400A
Cited
US2206031A
Cited
US1707421A
Cited
US871069A
Cited
US1023526A
Cited
US1085697A
Cited
US1200982A
Cited
US1567766A
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US1764717A
Cited
US1817552A
Cited
US1909767A
Cited
US1862668A
Cited
US1924594A
Cited
US1919420A
Cited
US2054029A
Cited
US2160476A
Cited
US2160674A
Cited
US2279462A
Cited
US2370294A
Cited
US2356087A
Cited
US2381441A
Cited
US2500540A
Cited
US2509056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |