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US2718348A
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Assignee: JAMES W MAIN
•
Filing: 1951-06-25
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Granted: 1955-09-20
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Expires: 1971-06-25
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Montfort
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:40
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/02; B65D5/42; B65D5/64; B65D5/66; B65D5/6602; B65D5/6614
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US657047A
Cited
GB191226966A
Cited
US1140288A
Cited
US1765104A
Cited
US2332642A
Cited
US2375374A
Cited
US2485235A
Cited
US2582502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-19 | 1959-03-21 | 1959-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-19 | 1963-03-21 | 1963-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-19 | 1967-03-21 | 1967-09-20 | $7700.00 | Window Closed / Lapsed |