US1894205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for preventing frosting or condensation of moisture on glass or other surfaces
Assignee: C V Hill & Co Inc
•
Filing: 1931-04-23
•
Granted: 1933-01-10
•
Expires: 1951-04-23
Abstract
No abstract record available.
Inventors
- 👤 Frederick J Stollsteimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:35
CPC Classifications
F; F25; F25D; F25D21/00; F25D21/04; A; A47; A47L; A47L1/00; A47L1/16; A47F; A47F3/00; A47F3/04; A47F3/0439; A47F3/0443; A47F3/0456
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1936-01-10 | 1936-07-11 | 1937-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-01-10 | 1940-07-11 | 1941-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-01-10 | 1944-07-11 | 1945-01-10 | $7700.00 | Window Closed / Lapsed |