US2716900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Press
Assignee: Chisholm Boyd & White Co
•
Filing: 1952-06-11
•
Granted: 1955-09-06
•
Expires: 1972-06-11
Abstract
No abstract record available.
Inventors
- 👤 Barkham Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:21
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/10; B30B1/14; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/1816; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/20588
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE158362C
Cited
US513544A
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AT89577B
Cited
GB492196A
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US2186030A
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GB502875A
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GB502871A
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US2407978A
Cited
US2455823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-05 | 1959-03-07 | 1959-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-05 | 1963-03-07 | 1963-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-05 | 1967-03-07 | 1967-09-06 | $7700.00 | Window Closed / Lapsed |