US2100639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable oven for drying cable conductors
Assignee: Individual
•
Filing: 1937-01-06
•
Granted: 1937-11-30
•
Expires: 1957-01-06
Abstract
No abstract record available.
Inventors
- 👤 Doolittle John Boulware
- 👤 Morrison Charles Eastman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:22
CPC Classifications
F; F26; F26B; F26B25/00; F26B25/06; F26B25/066; F26B9/00; F26B9/003
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) | 1940-11-29 | 1941-05-31 | 1941-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1944-11-29 | 1945-05-31 | 1945-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1948-11-29 | 1949-05-31 | 1949-11-30 | $7700.00 | Window Closed / Lapsed |