US2537462A
Expired / Lapsed
US
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Method of making automatic bottom bags
Assignee: Individual
•
Filing: 1944-11-16
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Granted: 1951-01-09
•
Expires: 1964-11-16
Abstract
No abstract record available.
Inventors
- 👤 Alfred B Haslacher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:08
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/80; B29C65/00; B29C65/02; B29C65/10; B29C66/01; B29C66/03; B29C66/034; B29C66/0342; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/13; B29C66/133; B29C66/40; B29C66/41; B29C66/43; B29C66/431; B29C66/4312; B29C66/43121; B29C66/432; B29C66/4322; B29C66/49; B29C66/494; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/82; B29C66/826; B29C66/8266; B29C66/83; B29C66/836; B29C66/84; B29C66/851; B29C66/8511; B29L; B29L2031/00; B29L2031/712; B29L2031/7128; B29L2031/7162; B31; B31B; B31B2150/00; B31B2150/001; B31B2160/00; B31B2160/10; B31B2160/106; B31B2160/20; B31B2170/00; B31B2170/20; B31B2170/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |