Patent US1945065A successfully refreshed from Google Patents.
US1945065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transportable apparatus for applying bitminous coverings, particularly to canal walls and the like inclined surfaces
Assignee: Shell Development Co
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Filing: 1932-03-25
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Granted: 1934-01-30
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Expires: 1952-03-25
Abstract
No abstract record available.
Inventors
- 👤 Mosslang Hans
- 👤 Volbehr Hartwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:51
CPC Classifications
E; E02; E02B; E02B3/00; E02B3/04; E02B3/12; E02B3/121; E01; E01C; E01C19/00; E01C19/48; E01C19/488
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) | 1937-01-29 | 1937-07-31 | 1938-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-01-29 | 1941-07-31 | 1942-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-01-29 | 1945-07-31 | 1946-01-30 | $7700.00 | Window Closed / Lapsed |