US1298790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for drying copra and treating other substances.
Assignee: DENIS WATKIN KIRK
•
Filing: 1916-03-18
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Granted: 1919-04-01
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Expires: 1936-03-18
Abstract
No abstract record available.
Inventors
- 👤 Francis Arthur Rich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:12
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0402; H10P72/0406; H10P72/0408; F; F26; F26B; F26B3/00; F26B3/18; F26B3/20
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) | 1922-03-31 | 1922-09-30 | 1923-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1926-03-31 | 1926-09-30 | 1927-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1930-03-31 | 1930-09-30 | 1931-04-01 | $7700.00 | Window Closed / Lapsed |