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Patent US2537048A successfully refreshed from Google Patents.
US2537048A
Expired / Lapsed
US
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Color wheel for sprinklers
Assignee: Individual
•
Filing: 1946-03-08
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Granted: 1951-01-09
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Expires: 1966-03-08
Abstract
No abstract record available.
Inventors
- 👤 Giblet Walter Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:14
CPC Classifications
F; F21; F21S; F21S10/00; F21S10/007; B; B05; B05B; B05B3/00; B05B3/02; B05B3/04; B05B3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1435140A
Cited
US1575952A
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US1535508A
Cited
US1802082A
Cited
US1728456A
Cited
US1818319A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |