US1684083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refrigerating coil
Assignee: Individual
•
Filing: 1927-06-02
•
Granted: 1928-09-11
•
Expires: 1947-06-02
Abstract
No abstract record available.
Inventors
- 👤 Samuel C Bloom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:30
CPC Classifications
F; F28; F28F; F28F9/00; F28F9/02; F28F9/026; F28F9/027; F28F9/0273; F25; F25B; F25B39/00; F25B39/02; F25B39/028; F28D; F28D1/00; F28D1/02; F28D1/04
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) | 1931-09-11 | 1932-03-12 | 1932-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-09-11 | 1936-03-12 | 1936-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-09-11 | 1940-03-12 | 1940-09-11 | $7700.00 | Window Closed / Lapsed |