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US2712307A
Expired / Lapsed
US
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Stone sawing machines
Assignee: Individual
•
Filing: 1953-07-09
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Granted: 1955-07-05
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Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Stalheim Bror Gustaf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:22
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/02; B28D1/06; B28D1/066; B28D7/00; B28D7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US200593A
Cited
US315608A
Cited
US337661A
Cited
US578116A
Cited
US675904A
Cited
US958684A
Cited
US1095708A
Cited
US1097747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |