US2448266A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cylinder construction
Assignee: Individual
•
Filing: 1945-08-30
•
Granted: 1948-08-31
•
Expires: 1965-08-30
Abstract
No abstract record available.
Inventors
- 👤 Robert A Kaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:46
CPC Classifications
F; F16; F16J; F16J10/00; F16J10/02; B; B64; B64C; B64C25/00; B64C25/02; B64C25/08; B64C25/10; B64C25/18; B64C25/22; B64C25/32; B64C25/50; B64C25/58; B64C25/60; Y; Y10; Y10S; Y10S29/00; Y10S29/034; Y10T; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US446364A
Cited
US901837A
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US937437A
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US1526309A
Cited
US1838636A
Cited
US1875068A
Cited
US2169395A
Cited
US2165052A
Cited
US2381869A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-31 | 1952-03-01 | 1952-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-31 | 1956-03-01 | 1956-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-31 | 1960-03-01 | 1960-08-31 | $7700.00 | Window Closed / Lapsed |