US1108128A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tube of variable diameter.
Assignee: Individual
•
Filing: 1913-03-24
•
Granted: 1914-08-25
•
Expires: 1933-03-24
Abstract
No abstract record available.
Inventors
- 👤 Herbert H Buffum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:33
CPC Classifications
G; G05; G05D; G05D7/00; G05D7/01; G05D7/0106; G05D7/012; Y; Y10; Y10S; Y10S261/00; Y10S261/59
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) | 1917-08-24 | 1918-02-23 | 1918-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-08-24 | 1922-02-23 | 1922-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-08-24 | 1926-02-23 | 1926-08-25 | $7700.00 | Window Closed / Lapsed |