US2637108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable and movable sundial
Assignee: Individual
•
Filing: 1950-05-31
•
Granted: 1953-05-05
•
Expires: 1970-05-31
Abstract
No abstract record available.
Inventors
- 👤 Erichs A Viesturs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:12
CPC Classifications
G; G04; G04B; G04B49/00; G04B49/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US106735A
Cited
US358957A
Cited
GB189323220A
Cited
GB189602920A
Cited
DE394875C
Cited
US2527189A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |