Patent US1030561A successfully refreshed from Google Patents.
US1030561A
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Assignee: Individual
•
Filing: 1910-09-02
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Granted: 1912-06-25
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Expires: 1930-09-02
Abstract
No abstract record available.
Inventors
- 👤 Ernest E Blackmer
- 👤 Eric W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:34
CPC Classifications
F; F04; F04D; F04D29/00; F04D29/26; F04D29/28; F04D29/30; F04D29/281; F04D29/282; F05; F05D; F05D2240/00; F05D2240/20; F05D2240/30; F05D2240/304; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49316; Y10T29/49329
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) | 1915-06-25 | 1915-12-25 | 1916-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-06-25 | 1919-12-25 | 1920-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-06-25 | 1923-12-25 | 1924-06-25 | $7700.00 | Window Closed / Lapsed |