US2994314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stone cutting apparatus
Assignee: Ty SA Man Machine Co
•
Filing: 1958-08-22
•
Granted: 1961-08-01
•
Expires: 1978-08-22
Abstract
No abstract record available.
Inventors
- 👤 Hubert E Wayland
- 👤 William B Mayes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:54
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1319193A
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US709448A
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US847270A
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US1077297A
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US1406323A
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US1656271A
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US2521931A
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US2792825A
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US2808821A
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US2795222A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |