Patent US2360879A successfully refreshed from Google Patents.
US2360879A
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Method of and means for interlocking and securing roofing sheets
Assignee: Individual
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Filing: 1943-02-13
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Granted: 1944-10-24
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Expires: 1963-02-13
Abstract
No abstract record available.
Inventors
- 👤 Kroier Waldemar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:00
CPC Classifications
E; E04; E04D; E04D3/00; E04D3/36; E04D3/361; E04D3/362; E04D15/00; E04D15/04; Y; Y10; Y10S; Y10S52/00; Y10S52/01; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/53; Y10T29/53996
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) | 1947-10-24 | 1948-04-24 | 1948-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-24 | 1952-04-24 | 1952-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-24 | 1956-04-24 | 1956-10-24 | $7700.00 | Window Closed / Lapsed |