US1772001A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stone-cutting machine
Assignee: PARKER ROTARY STONE SAW Co
•
Filing: 1928-01-03
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Granted: 1930-08-05
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Expires: 1948-01-03
Abstract
No abstract record available.
Inventors
- 👤 John A Hall
- 👤 Wallace L Newell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:06
CPC Classifications
E; E21; E21B; E21B10/00; E21B10/44; B; B28; B28D; B28D1/00; B28D1/02; B28D1/04; B28D1/041; E21B10/46; E21B10/48; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/81; Y10T408/89; Y10T408/895; Y10T408/8957
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-08-04 | 1934-02-03 | 1934-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-08-04 | 1938-02-03 | 1938-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-08-04 | 1942-02-03 | 1942-08-05 | $7700.00 | Window Closed / Lapsed |