US2449878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copying lathe
Assignee: Vulcan Corp
•
Filing: 1943-12-27
•
Granted: 1948-09-21
•
Expires: 1963-12-27
Abstract
No abstract record available.
Inventors
- 👤 Clausing George
- 👤 Charles B Gary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:18
CPC Classifications
B; B27; B27M; B27M3/00; B27M3/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US261831A
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US460699A
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SE70792C1
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US856656A
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US968672A
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US1407727A
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US1684072A
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US1733207A
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GB288301A
Cited
US1727906A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-21 | 1952-03-22 | 1952-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-21 | 1956-03-22 | 1956-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-21 | 1960-03-22 | 1960-09-21 | $7700.00 | Window Closed / Lapsed |