US730823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Invisible-impression printing.
Assignee: NEW ERA Co
•
Filing: 1902-03-01
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Granted: 1903-06-09
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Expires: 1922-03-01
Abstract
No abstract record available.
Inventors
- 👤 Edward W Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:45
CPC Classifications
D; D21; D21H; D21H21/00; D21H21/14; D21H21/40; D21H21/44; D21H21/46; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24835
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) | 1906-06-08 | 1906-12-08 | 1907-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-06-08 | 1910-12-08 | 1911-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-06-08 | 1914-12-08 | 1915-06-09 | $7700.00 | Window Closed / Lapsed |