Patent US1545456A successfully refreshed from Google Patents.
US1545456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reenforced-metal tube
Assignee: Union Metal Manufacturing Co
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Filing: 1921-07-19
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Granted: 1925-07-07
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Expires: 1941-07-19
Abstract
No abstract record available.
Inventors
- 👤 Harry O Rastetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:44
CPC Classifications
E; E04; E04H; E04H12/00; E04H12/02; E04H12/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49631; Y10T29/49826; Y10T29/49879; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
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) | 1928-07-06 | 1929-01-05 | 1929-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-07-06 | 1933-01-05 | 1933-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-07-06 | 1937-01-05 | 1937-07-07 | $7700.00 | Window Closed / Lapsed |