US1789513A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating given objects with a prolonged exposure to sunlight
Assignee: Individual
•
Filing: 1928-10-04
•
Granted: 1931-01-20
•
Expires: 1948-10-04
Abstract
No abstract record available.
Inventors
- 👤 Albert C Burrage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:31
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/346; E04B1/3465; A; A01; A01G; A01G9/00; A01G9/14; A01G9/16; Y; Y02; Y02A; Y02A30/00; Y02A40/00; Y02A40/10; Y02A40/25
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) | 1934-01-19 | 1934-07-21 | 1935-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-01-19 | 1938-07-21 | 1939-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-01-19 | 1942-07-21 | 1943-01-20 | $7700.00 | Window Closed / Lapsed |