US990552A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1910-09-20
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Granted: 1911-04-25
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Expires: 1930-09-20
Abstract
No abstract record available.
Inventors
- 👤 George E Hassmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:22
CPC Classifications
E; E05; E05D; E05D11/00; E05D11/10; E05D11/1014; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0969; Y10T292/097; Y10T292/0974; Y10T292/68; Y10T292/683
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) | 1914-04-24 | 1914-10-24 | 1915-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1918-04-24 | 1918-10-24 | 1919-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1922-04-24 | 1922-10-24 | 1923-04-25 | $7700.00 | Window Closed / Lapsed |