US2225906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underlay for floor coverings
Assignee: Individual
•
Filing: 1937-04-12
•
Granted: 1940-12-24
•
Expires: 1957-04-12
Abstract
No abstract record available.
Inventors
- 👤 Dallia Oscar Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:54
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0089; E; E04; E04B; E04B1/00; E04B1/62; E04B1/66; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/28; Y10T428/2813; Y10T428/283; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/159; Y10T442/16
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) | 1943-12-24 | 1944-06-24 | 1944-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-24 | 1948-06-24 | 1948-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-24 | 1952-06-24 | 1952-12-24 | $7700.00 | Window Closed / Lapsed |