US1783442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording paper
Assignee: Individual
•
Filing: 1928-02-04
•
Granted: 1930-12-02
•
Expires: 1948-02-04
Abstract
No abstract record available.
Inventors
- 👤 Charles W Mayer
- 👤 Everett F Siller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:05
CPC Classifications
B; B41; B41L; B41L1/00; Y; Y10; Y10S; Y10S428/00; Y10S428/918; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31801; Y10T428/31804; Y10T428/31808
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) | 1933-12-01 | 1934-06-02 | 1934-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-12-01 | 1938-06-02 | 1938-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-12-01 | 1942-06-02 | 1942-12-02 | $7700.00 | Window Closed / Lapsed |