US2044922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic leaf with flexible backing
Assignee: M Swift & Sons Inc
•
Filing: 1934-11-30
•
Granted: 1936-06-23
•
Expires: 1954-11-30
Abstract
No abstract record available.
Inventors
- 👤 Donald D Swift
- 👤 Harold E Roberton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:02
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/02; D21H19/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31714; Y10T428/31801; Y10T428/31804; Y10T428/31808; Y10T428/31812
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) | 1939-06-23 | 1939-12-23 | 1940-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-23 | 1943-12-23 | 1944-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-23 | 1947-12-23 | 1948-06-23 | $7700.00 | Window Closed / Lapsed |