US1995215A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam producing apparatus
Assignee: Individual
•
Filing: 1933-09-21
•
Granted: 1935-03-19
•
Expires: 1953-09-21
Abstract
No abstract record available.
Inventors
- 👤 Mehlsen Jens Karl
- 👤 Nielsen Adser Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
CPC Classifications
E; E21; E21B; E21B43/00; E21B43/12; A; A45; A45D; A45D27/00; A45D27/02; A45D27/10; A62; A62C; A62C5/00; A62C5/002; Y; Y10; Y10S; Y10S261/00; Y10S261/26
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) | 1938-03-18 | 1938-09-17 | 1939-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-03-18 | 1942-09-17 | 1943-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-03-18 | 1946-09-17 | 1947-03-19 | $7700.00 | Window Closed / Lapsed |