Patent US1561553A successfully refreshed from Google Patents.
US1561553A
Expired / Lapsed
US
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Pneumatic highway marker
Assignee: Spray Painting & Finishing Equ
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Filing: 1921-11-30
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Granted: 1925-11-17
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Expires: 1941-11-30
Abstract
No abstract record available.
Inventors
- 👤 Philip K Lindsay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:30
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/20; E01C23/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1928-11-16 | 1929-05-18 | 1929-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-11-16 | 1933-05-18 | 1933-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-11-16 | 1937-05-18 | 1937-11-17 | $7700.00 | Window Closed / Lapsed |