US2917293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bubble tower and tunnel tray construction
Assignee: BADGER Manufacturing Co
•
Filing: 1955-10-28
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Granted: 1959-12-15
•
Expires: 1975-10-28
Abstract
No abstract record available.
Inventors
- 👤 Mendelsohn Max
- 👤 Larson Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:49
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/14; B01D3/16; B01D3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2045318A
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US2164080A
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US2582826A
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US2690332A
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US2710678A
Cited
US2698746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |