US2722018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Float marker
Assignee: Individual
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Filing: 1952-03-26
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Granted: 1955-11-01
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Expires: 1972-03-26
Abstract
No abstract record available.
Inventors
- 👤 Walter V Mueller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:27
CPC Classifications
B; B63; B63B; B63B22/00; B63B2205/00; B63B2205/02; B63B2205/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-10-31 | 1959-05-02 | 1959-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-10-31 | 1963-05-02 | 1963-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-10-31 | 1967-05-02 | 1967-11-01 | $7700.00 | Window Closed / Lapsed |