Patent US2573360A successfully refreshed from Google Patents.
US2573360A
Expired / Lapsed
US
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Electric valve sequenced multifunction timer
Assignee: Robotron Corp
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Filing: 1948-11-06
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Granted: 1951-10-30
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Expires: 1968-11-06
Abstract
No abstract record available.
Inventors
- 👤 Stuart C Rockafellow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:01
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2313918A
Cited
US2313943A
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US2306237A
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US2337905A
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US2368477A
Cited
US2463318A
Cited
US2422020A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |