US2856104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Valve closure assembly
Assignee: Kraft Inc
•
Filing: 1955-08-31
•
Granted: 1958-10-14
•
Expires: 1975-08-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Newton E Spiess
- 👤 Henry L Henze
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:30
CPC Classifications
B; B65; B65D; B65D83/00; B65D83/14; B65D83/42; B65D83/425; B65D83/16; B65D83/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2734773A
Cited
US2543850A
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US2579977A
Cited
US2697635A
Cited
US2723055A
Cited
US2766915A
Cited
US2686081A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |