US1780555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Button
Assignee: Individual
•
Filing: 1930-03-03
•
Granted: 1930-11-04
•
Expires: 1950-03-03
Abstract
No abstract record available.
Inventors
- 👤 Eric G Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:00
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/28; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3606; Y10T24/3632; Y10T24/364
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) | 1933-11-03 | 1934-05-05 | 1934-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-11-03 | 1938-05-05 | 1938-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-11-03 | 1942-05-05 | 1942-11-04 | $7700.00 | Window Closed / Lapsed |