Patent US1147211A successfully refreshed from Google Patents.
US1147211A
Expired / Lapsed
US
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Drying and heating of stone, grit, sand, or other materials.
Assignee: Individual
•
Filing: 1914-07-28
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Granted: 1915-07-20
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Expires: 1934-07-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas Coleman Sr
- 👤 Alfred Coleman
- 👤 Thomas Coleman Jr
- 👤 Frank Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:18
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/06; Y; Y10; Y10S; Y10S241/00; Y10S241/10
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) | 1918-07-19 | 1919-01-18 | 1919-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-07-19 | 1923-01-18 | 1923-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-07-19 | 1927-01-18 | 1927-07-20 | $7700.00 | Window Closed / Lapsed |