Patent JPS5932154A successfully refreshed from Google Patents.
US1565062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for producing sectional boiler headers
Assignee: Heine Boiler Co
•
Filing: 1923-08-04
•
Granted: 1925-12-08
•
Expires: 1943-08-04
Abstract
No abstract record available.
Inventors
- 👤 Cotton Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:44
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/033; B21D15/00; B21D15/04; B21D15/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4935; Y10T29/49389
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1928-12-07 | 1929-06-08 | 1929-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-12-07 | 1933-06-08 | 1933-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-12-07 | 1937-06-08 | 1937-12-08 | $7700.00 | Window Closed / Lapsed |