US2839871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass rod and tube cutting mechanism
Assignee: OI Glass Inc
•
Filing: 1955-05-26
•
Granted: 1958-06-24
•
Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lewis M Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:54
CPC Classifications
C; C03; C03B; C03B33/00; C03B33/06; Y; Y10; Y10T; Y10T225/00; Y10T225/30; Y10T225/307; Y10T225/321; Y10T225/325; Y10T83/00; Y10T83/465; Y10T83/4757
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1143285A
Cited
US1510729A
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US1851334A
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US1987409A
Cited
US2184452A
Cited
FR947397A
Cited
GB652561A
Cited
US2550146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |